diff --git a/cmds/client.go b/cmds/client.go
index a4bb2bb..cd7448b 100644
--- a/cmds/client.go
+++ b/cmds/client.go
@@ -3,6 +3,7 @@ package cmds
 import (
 	"fmt"
 	"inp2025/tcp"
+	"inp2025/workflows"
 
 	"github.com/spf13/cobra"
 )
@@ -12,7 +13,8 @@ func ping() {
 	for _, msg := range msgs {
 		fmt.Printf("client sending: '%s'\n", msg)
 
-		resp, err := tcp.Get(":8080", "/test", map[string]string{"msg": msg})
+		resp, err := tcp.Get(":8080", "/test/ping",
+			map[string]string{"msg": msg})
 		if err != nil {
 			panic(err)
 		}
@@ -22,7 +24,7 @@ func ping() {
 }
 
 func pull() {
-	socket, err := tcp.Dial(":8080", "/test")
+	socket, err := tcp.Dial("localhost:8080", "/test")
 	if err != nil {
 		panic(err)
 	}
@@ -40,6 +42,12 @@ func pull() {
 var clientCmd = &cobra.Command{
 	Use: "client",
 	Run: func(cmd *cobra.Command, args []string) {
-		ping()
+		err := workflows.GameClient()
+		if err != nil {
+			panic(err)
+		}
 	},
 }
+
+func init() {
+}
diff --git a/cmds/game.go b/cmds/game.go
new file mode 100644
index 0000000..2854a72
--- /dev/null
+++ b/cmds/game.go
@@ -0,0 +1,32 @@
+package cmds
+
+import (
+	"inp2025/workflows"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"go.uber.org/zap"
+)
+
+var gameCmd = &cobra.Command{
+	Use: "game",
+	Run: func(cmd *cobra.Command, args []string) {
+		router := workflows.GameServer()
+
+		err := router.Listen(":" + viper.GetString("port"))
+		if err != nil {
+			panic(err)
+		}
+
+		zap.L().Info("server up",
+			zap.String("addr", router.ListenAddr()))
+		if err := router.WaitFor(); err != nil {
+			panic(err)
+		}
+	},
+}
+
+func init() {
+	gameCmd.Flags().
+		String("port", "12345", "")
+}
diff --git a/cmds/server.go b/cmds/server.go
index 253ebd7..2f44c03 100644
--- a/cmds/server.go
+++ b/cmds/server.go
@@ -1,45 +1,27 @@
 package cmds
 
 import (
-	"fmt"
-	"inp2025/middlewares"
-	"inp2025/tcp"
-	"io"
-	"time"
+	"inp2025/workflows"
 
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 	"go.uber.org/zap"
 )
 
-func pongHandler(w tcp.ResponseWriter, req *tcp.Request) error {
-	w.WriteHeader(tcp.StatusOK)
-	_, err := io.WriteString(w, string(req.Params["msg"]))
-	return err
-}
-
-func tickHandler(w tcp.ResponseWriter, req *tcp.Request) error {
-	zap.L().Info("Run tickHandler")
-	for {
-		w.SocketSendString(fmt.Sprintf("time: %s", time.Now().String()))
-		time.Sleep(time.Second)
-	}
-	return nil
-}
-
 var serverCmd = &cobra.Command{
 	Use: "server",
 	Run: func(cmd *cobra.Command, args []string) {
-		router := tcp.NewRouter().
-			Use(middlewares.ErrorHandler).
-			Use(middlewares.AccessLog)
+		router := workflows.LobbyServer()
 
-		router.Register(tcp.MethodSOCKET, "/test",
-			tickHandler)
-		router.Register(tcp.MethodGET, "/test",
-			pongHandler)
-
-		router.Listen(":" + viper.GetString("port"))
+		err := router.Listen(":" + viper.GetString("port"))
+		if err != nil {
+			panic(err)
+		}
+		zap.L().Info("server up",
+			zap.String("addr", router.ListenAddr()))
+		if err := router.WaitFor(); err != nil {
+			panic(err)
+		}
 	},
 }
 
diff --git a/go.mod b/go.mod
index 72164cd..5b79caa 100644
--- a/go.mod
+++ b/go.mod
@@ -12,18 +12,33 @@ require (
 )
 
 require (
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/charmbracelet/bubbletea v1.3.10 // indirect
+	github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
+	github.com/charmbracelet/lipgloss v1.1.0 // indirect
+	github.com/charmbracelet/x/ansi v0.10.1 // indirect
+	github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
+	github.com/charmbracelet/x/term v0.2.1 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
 	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-localereader v0.0.1 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/mattn/go-sqlite3 v1.14.28 // indirect
+	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/puzpuzpuz/xsync/v3 v3.5.1 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/sagikazarmark/locafero v0.11.0 // indirect
 	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
 	github.com/spf13/afero v1.15.0 // indirect
@@ -33,10 +48,11 @@ require (
 	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	github.com/vmihailenco/msgpack/v5 v5.4.1 // indirect
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	go.uber.org/multierr v1.10.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/exp v0.0.0-20250711185948-6ae5c78190dc // indirect
-	golang.org/x/sys v0.34.0 // indirect
+	golang.org/x/sys v0.36.0 // indirect
 	golang.org/x/text v0.28.0 // indirect
 	modernc.org/libc v1.66.3 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
diff --git a/go.sum b/go.sum
index 06105a7..fece30f 100644
--- a/go.sum
+++ b/go.sum
@@ -1,8 +1,24 @@
+github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
+github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
+github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
+github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs=
+github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk=
+github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
+github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
+github.com/charmbracelet/x/ansi v0.10.1 h1:rL3Koar5XvX0pHGfovN03f5cxLbCF2YvLeyz7D2jVDQ=
+github.com/charmbracelet/x/ansi v0.10.1/go.mod h1:3RQDQ6lDnROptfpWuUVIUG64bD2g2BgntdxH0Ya5TeE=
+github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0GVL4jeHEwG5YOXDmi86oYw2yuYUGqz6a8sLwg0X8=
+github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
+github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
+github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
+github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
@@ -23,10 +39,22 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
+github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
+github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
+github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/mattn/go-sqlite3 v1.14.28 h1:ThEiQrnbtumT+QMknw63Befp/ce/nUPgBPMlRFEum7A=
 github.com/mattn/go-sqlite3 v1.14.28/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
+github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
+github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
+github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
+github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
+github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
 github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
 github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
@@ -39,6 +67,9 @@ github.com/puzpuzpuz/xsync/v3 v3.5.1 h1:GJYJZwO6IdxN/IKbneznS6yPkVC+c3zyY/j19c++
 github.com/puzpuzpuz/xsync/v3 v3.5.1/go.mod h1:VjzYrABPabuM4KyBh1Ftq6u8nhwY5tBPKP9jpmh0nnA=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
 github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@@ -73,6 +104,8 @@ github.com/vmihailenco/msgpack/v5 v5.4.1 h1:cQriyiUvjTwOHg8QZaPihLWeRAAVoCpE00IU
 github.com/vmihailenco/msgpack/v5 v5.4.1/go.mod h1:GaZTsDaehaPpQVyxrf5mtQlH+pc21PIudVV/E3rRQok=
 github.com/vmihailenco/tagparser/v2 v2.0.0 h1:y09buUbR+b5aycVFQs/g70pqKVZNBmxwAhO7/IwNM9g=
 github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV6mEfg5OIWRZA9qds=
+github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
+github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
@@ -87,9 +120,12 @@ golang.org/x/mod v0.26.0 h1:EGMPT//Ezu+ylkCijjPc+f4Aih7sZvaAr+O3EHBxvZg=
 golang.org/x/mod v0.26.0/go.mod h1:/j6NAhSk8iQ723BGAUyoAcn7SlD7s15Dp9Nd/SfeaFQ=
 golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
 golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.34.0 h1:H5Y5sJ2L2JRdyv7ROF1he/lPdvFsd0mJHFw2ThKHxLA=
 golang.org/x/sys v0.34.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
+golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
 golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
 golang.org/x/tools v0.35.0 h1:mBffYraMEf7aa0sB+NuKnuCy8qI/9Bughn8dC2Gu5r0=
diff --git a/go.work.sum b/go.work.sum
index a7b76be..c0a8bfb 100644
--- a/go.work.sum
+++ b/go.work.sum
@@ -1,3 +1,6 @@
+github.com/aymanbagabas/go-udiff v0.2.0/go.mod h1:RE4Ex0qsGkTAJoQdQQCA0uG+nAzJO/pI/QwceO5fgrA=
+github.com/bits-and-blooms/bitset v1.22.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
+github.com/charmbracelet/x/exp/golden v0.0.0-20240806155701-69247e0abc2a/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
 github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
 github.com/rs/zerolog v1.34.0/go.mod h1:bJsvje4Z08ROH4Nhs5iH600c3IkWhwp44iRc54W6wYQ=
 golang.org/x/tools/go/expect v0.1.0-deprecated/go.mod h1:eihoPOH+FgIqa3FpoTwguz/bVUSGBlGQU67vpBeOrBY=
diff --git a/handlers/game/handlers.go b/handlers/game/handlers.go
new file mode 100644
index 0000000..f78bb61
--- /dev/null
+++ b/handlers/game/handlers.go
@@ -0,0 +1,8 @@
+package game
+
+type Handlers struct {
+}
+
+func NewHandlers() *Handlers {
+	return &Handlers{}
+}
diff --git a/handlers/game/postMove.go b/handlers/game/postMove.go
new file mode 100644
index 0000000..9360874
--- /dev/null
+++ b/handlers/game/postMove.go
@@ -0,0 +1,14 @@
+package game
+
+import (
+	"inp2025/tcp"
+	"inp2025/utils"
+)
+
+func (self *Handlers) PostMove(
+	w tcp.ResponseWriter,
+	req *tcp.Request,
+) error {
+	// TODO
+	return utils.Success(w)
+}
diff --git a/handlers/game/postReady.go b/handlers/game/postReady.go
new file mode 100644
index 0000000..aa0a766
--- /dev/null
+++ b/handlers/game/postReady.go
@@ -0,0 +1,14 @@
+package game
+
+import (
+	"inp2025/tcp"
+	"inp2025/utils"
+)
+
+func (self *Handlers) PostReady(
+	w tcp.ResponseWriter,
+	req *tcp.Request,
+) error {
+	// TODO
+	return utils.Success(w)
+}
diff --git a/handlers/game/socketState.go b/handlers/game/socketState.go
new file mode 100644
index 0000000..0d314d4
--- /dev/null
+++ b/handlers/game/socketState.go
@@ -0,0 +1,14 @@
+package game
+
+import (
+	"inp2025/tcp"
+	"inp2025/utils"
+)
+
+func (self *Handlers) SocketState(
+	w tcp.ResponseWriter,
+	req *tcp.Request,
+) error {
+	// TODO
+	return utils.Success(w)
+}
diff --git a/middlewares/nmsl.go b/middlewares/nmsl.go
new file mode 100644
index 0000000..3ccab86
--- /dev/null
+++ b/middlewares/nmsl.go
@@ -0,0 +1,14 @@
+package middlewares
+
+import (
+	"inp2025/tcp"
+
+	"go.uber.org/zap"
+)
+
+func NMSL(next tcp.Handler) tcp.Handler {
+	return func(w tcp.ResponseWriter, req *tcp.Request) error {
+		zap.L().Info("nmsl")
+		return next(w, req)
+	}
+}
diff --git a/models/state.go b/models/state.go
new file mode 100644
index 0000000..0269780
--- /dev/null
+++ b/models/state.go
@@ -0,0 +1,81 @@
+package models
+
+import "fmt"
+
+const (
+	BlockNull byte = '0'
+	BlockI    byte = 'I'
+	BlockJ    byte = 'J'
+	BlockL    byte = 'L'
+	BlockO    byte = 'O'
+	BlockS    byte = 'S'
+	BlockT    byte = 'T'
+	BlockZ    byte = 'Z'
+)
+
+const (
+	RowCnt int = 20
+	ColCnt int = 10
+)
+
+type BlockState struct {
+	Block byte `json:"b"`
+	PosX  int  `json:"x"`
+	PosY  int  `json:"y"`
+}
+
+type ActiveBlockState struct {
+	*BlockState `json:",inline"`
+
+	Direc int `json:"d"`
+}
+
+type CompressedGameState struct {
+	UserId int
+	Tick   int
+	Score  int
+	Level  int
+
+	RLE    string
+	Active ActiveBlockState
+}
+
+type GameState struct {
+	UserId int
+	Tick   int
+	Score  int
+	Level  int
+
+	Blocks [RowCnt][ColCnt]BlockState
+	Active ActiveBlockState
+}
+
+func (self CompressedGameState) Uncompress() (GameState, error) {
+	var cnt int = 0
+	var ch byte = '0'
+	var blocks [RowCnt][ColCnt]BlockState
+	for x := range blocks {
+		for y := range blocks[x] {
+			if cnt <= 0 {
+				_, err := fmt.Sscanf(self.RLE, "%d%c", &cnt, &ch)
+				if err != nil {
+					return GameState{}, err
+				}
+			}
+			blocks[x][y] = BlockState{
+				Block: ch,
+				PosX:  x,
+				PosY:  y,
+			}
+		}
+	}
+
+	return GameState{
+		UserId: self.UserId,
+		Tick:   self.Tick,
+		Score:  self.Score,
+		Level:  self.Level,
+		Blocks: blocks,
+		Active: self.Active,
+	}, nil
+}
diff --git a/stages/game.go b/stages/game.go
new file mode 100644
index 0000000..ac9e807
--- /dev/null
+++ b/stages/game.go
@@ -0,0 +1,85 @@
+package stages
+
+import (
+	"encoding/json"
+	"fmt"
+	"inp2025/models"
+	"inp2025/tcp"
+	"strings"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type GameModel struct {
+	state models.GameState
+
+	conn *tcp.SocketConn
+	err  error
+}
+
+func NewGameModel() *GameModel {
+	return &GameModel{}
+}
+
+func (m *GameModel) getState() tea.Cmd {
+	return func() tea.Msg {
+		if m.conn == nil {
+			socket, err := tcp.Dial("localhost", "/state")
+			if err != nil {
+				m.err = fmt.Errorf("failed to dial socket, %w", err)
+				return nil
+			}
+			m.conn = socket
+		}
+		b, err := m.conn.Read()
+		if err != nil {
+			m.err = fmt.Errorf("failed to read from socket conn, %w", err)
+			return nil
+		}
+
+		var cState models.CompressedGameState
+		if err := json.Unmarshal(b, &cState); err != nil {
+			m.err = fmt.Errorf("failed to unmarshal state from json, %w", err)
+			return nil
+		}
+
+		state, err := cState.Uncompress()
+		if err != nil {
+			m.err = fmt.Errorf("failed to uncompress, %w", err)
+			return nil
+		}
+
+		return state
+	}
+}
+
+func (m *GameModel) Init() tea.Cmd {
+	return tea.Sequence(
+		tea.ClearScreen,
+		m.getState(),
+	)
+}
+
+func (m *GameModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	var cmds []tea.Cmd
+
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "ctrl+c":
+			return m, tea.Quit
+		}
+	case models.GameState:
+		m.state = msg
+		cmds = append(cmds, m.getState())
+	}
+
+	return m, tea.Batch(cmds...)
+}
+
+func (m *GameModel) View() string {
+	var b strings.Builder
+	fmt.Fprintf(&b, "%+##v\n", *m)
+	fmt.Fprintf(&b, "%w\n", m.err)
+	return b.String()
+}
diff --git a/tcp/router.go b/tcp/router.go
index 717a409..3411691 100644
--- a/tcp/router.go
+++ b/tcp/router.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"io"
 	"net"
+	"strings"
 
 	"go.uber.org/zap"
 )
@@ -14,11 +15,41 @@ type Middleware func(next Handler) Handler
 type Router struct {
 	middlewares []Middleware
 	routes      map[Method]map[string]Handler
+
+	listenAddr string
+	doneCh     chan error
 }
 
 func NewRouter() *Router {
 	return &Router{
 		routes: make(map[Method]map[string]Handler),
+		doneCh: make(chan error),
+	}
+}
+
+type Group struct {
+	pRouter *Router
+	pGroup  *Group
+
+	path        string
+	middlewares []Middleware
+}
+
+func (self *Router) Group(path string) *Group {
+	return &Group{
+		pRouter: self,
+		pGroup:  nil,
+
+		path: path,
+	}
+}
+
+func (self *Group) Group(path string) *Group {
+	return &Group{
+		pRouter: nil,
+		pGroup:  self,
+
+		path: path,
 	}
 }
 
@@ -27,6 +58,11 @@ func (self *Router) Use(middleware Middleware) *Router {
 	return self
 }
 
+func (self *Group) Use(middleware Middleware) *Group {
+	self.middlewares = append(self.middlewares, middleware)
+	return self
+}
+
 func (self *Router) Register(method Method, route string, handler Handler) {
 	_, ok := self.routes[method]
 	if !ok {
@@ -39,26 +75,59 @@ func (self *Router) Register(method Method, route string, handler Handler) {
 	self.routes[method][route] = handler
 }
 
+func (self *Group) Register(method Method, route string, handler Handler) {
+	for _, middleware := range self.middlewares {
+		handler = middleware(handler)
+	}
+
+	if self.pRouter != nil {
+		self.pRouter.Register(method, self.path+route, handler)
+	}
+	if self.pGroup != nil {
+		self.pGroup.Register(method, self.path+route, handler)
+	}
+}
+
 func (self *Router) GET(route string, handler Handler) {
 	self.Register(MethodGET, route, handler)
 }
 
+func (self *Group) GET(route string, handler Handler) {
+	self.Register(MethodGET, route, handler)
+}
+
 func (self *Router) POST(route string, handler Handler) {
 	self.Register(MethodPOST, route, handler)
 }
 
+func (self *Group) POST(route string, handler Handler) {
+	self.Register(MethodPOST, route, handler)
+}
+
 func (self *Router) PUT(route string, handler Handler) {
 	self.Register(MethodPUT, route, handler)
 }
 
+func (self *Group) PUT(route string, handler Handler) {
+	self.Register(MethodPUT, route, handler)
+}
+
 func (self *Router) DELETE(route string, handler Handler) {
 	self.Register(MethodDELETE, route, handler)
 }
 
+func (self *Group) DELETE(route string, handler Handler) {
+	self.Register(MethodDELETE, route, handler)
+}
+
 func (self *Router) SOCKET(route string, handler Handler) {
 	self.Register(MethodSOCKET, route, handler)
 }
 
+func (self *Group) SOCKET(route string, handler Handler) {
+	self.Register(MethodSOCKET, route, handler)
+}
+
 func (self *Router) run(conn net.Conn, req *Request) {
 	handler, ok := self.routes[req.Method][req.Route]
 	if !ok {
@@ -94,42 +163,64 @@ func (self *Router) run(conn net.Conn, req *Request) {
 	}
 }
 
-func (self *Router) Listen(addr string) error {
-	listener, err := net.Listen("tcp", addr)
-	if err != nil {
-		return err
-	}
+func (self *Router) listen(listener net.Listener) {
 	defer listener.Close()
-
 	for {
 		conn, err := listener.Accept()
 		if err != nil {
-			return err
+			self.doneCh <- err
+			return
 		}
 
 		rawHeader, err := readFrame(conn)
 		if err != nil {
 			if err == io.EOF {
-				return nil
+				self.doneCh <- nil
+				return
 			}
-			return err
+			self.doneCh <- err
+			return
 		}
 
 		body, err := readFrame(conn)
 		if err != nil {
 			if err == io.EOF {
-				return nil
+				self.doneCh <- nil
+				return
 			}
-			return err
+			self.doneCh <- err
+			return
 		}
 
 		var header RequestHeader
 		if err := json.Unmarshal(rawHeader, &header); err != nil {
-			return err
+			self.doneCh <- err
+			return
 		}
 		req := NewRequest(conn, header, body)
 		go self.run(conn, req)
 	}
+}
 
+func (self *Router) WaitFor() error {
+	return <-self.doneCh
+}
+
+func (self *Router) ListenAddr() string {
+	conn, _ := net.Dial("udp", "8.8.8.8:80")
+	addr := conn.LocalAddr().(*net.UDPAddr).IP.String()
+	conn.Close()
+	ss2 := strings.Split(self.listenAddr, ":")
+	return addr + ":" + ss2[len(ss2)-1]
+}
+
+func (self *Router) Listen(addr string) error {
+	listener, err := net.Listen("tcp", addr)
+	if err != nil {
+		return err
+	}
+
+	self.listenAddr = listener.Addr().String()
+	go self.listen(listener)
 	return nil
 }
diff --git a/workflows/databaseServer.go b/workflows/databaseServer.go
new file mode 100644
index 0000000..d693fb6
--- /dev/null
+++ b/workflows/databaseServer.go
@@ -0,0 +1,14 @@
+package workflows
+
+import (
+	"inp2025/middlewares"
+	"inp2025/tcp"
+)
+
+func DatabaseServer() *tcp.Router {
+	router := tcp.NewRouter().
+		Use(middlewares.ErrorHandler).
+		Use(middlewares.AccessLog)
+
+	return router
+}
diff --git a/workflows/gameClient.go b/workflows/gameClient.go
new file mode 100644
index 0000000..b1d940e
--- /dev/null
+++ b/workflows/gameClient.go
@@ -0,0 +1,14 @@
+package workflows
+
+import (
+	"inp2025/stages"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+func GameClient() error {
+	program := tea.NewProgram(
+		stages.NewGameModel())
+	_, err := program.Run()
+	return err
+}
diff --git a/workflows/gameServer.go b/workflows/gameServer.go
new file mode 100644
index 0000000..48d97aa
--- /dev/null
+++ b/workflows/gameServer.go
@@ -0,0 +1,24 @@
+package workflows
+
+import (
+	"inp2025/handlers/game"
+	"inp2025/middlewares"
+	"inp2025/tcp"
+)
+
+func GameServer() *tcp.Router {
+	router := tcp.NewRouter().
+		Use(middlewares.ErrorHandler).
+		Use(middlewares.AccessLog)
+
+	handlers := game.NewHandlers()
+
+	// before start
+	router.POST("/ready", handlers.PostReady)
+
+	// game start
+	router.POST("/move", handlers.PostMove)
+	router.SOCKET("/state", handlers.SocketState)
+
+	return router
+}
diff --git a/workflows/lobbyServer.go b/workflows/lobbyServer.go
new file mode 100644
index 0000000..212f90c
--- /dev/null
+++ b/workflows/lobbyServer.go
@@ -0,0 +1,55 @@
+package workflows
+
+import (
+	"fmt"
+	"inp2025/middlewares"
+	"inp2025/tcp"
+	"io"
+	"time"
+
+	"go.uber.org/zap"
+)
+
+func pongHandler(w tcp.ResponseWriter, req *tcp.Request) error {
+	w.WriteHeader(tcp.StatusOK)
+	_, err := io.WriteString(w, string(req.Params["msg"]))
+	return err
+}
+
+func tickHandler(w tcp.ResponseWriter, req *tcp.Request) error {
+	zap.L().Info("Run tickHandler")
+	for {
+		w.SocketSendString(fmt.Sprintf("time: %s", time.Now().String()))
+		time.Sleep(time.Second)
+	}
+	return nil
+}
+
+func LobbyServer() *tcp.Router {
+	router := tcp.NewRouter().
+		Use(middlewares.ErrorHandler).
+		Use(middlewares.AccessLog)
+
+	// test
+	test := router.Group("/test").
+		Use(middlewares.NMSL)
+	test.SOCKET("/tick", tickHandler)
+	test.GET("/ping", pongHandler)
+
+	/*
+		auth := router.Group("/auth")
+		auth.POST("/register")
+		auth.POST("/login")
+		auth.POST("/logout")
+
+		api := router.Group("/api")
+		api.GET("/online-users")
+		api.GET("/rooms")
+		api.GET("/invitations")
+		api.GET("/current-invitation")
+		api.POST("/invite")
+		api.POST("/accept-invitition")
+	*/
+
+	return router
+}