diff --git a/RootDesk/MyDesk/LobbyMobility.codeblock b/RootDesk/MyDesk/LobbyMobility.codeblock
new file mode 100644
index 0000000..a17c0b8
--- /dev/null
+++ b/RootDesk/MyDesk/LobbyMobility.codeblock
@@ -0,0 +1,60 @@
+{
+  "Id": "",
+  "GameId": "",
+  "EntryKey": "codeblock://lobbymobility",
+  "ContentType": "x-mod/codeblock",
+  "Content": "",
+  "Usage": 0,
+  "UsePublish": 1,
+  "UseService": 0,
+  "CoreVersion": "26.5.0.0",
+  "StudioVersion": "",
+  "DynamicLoading": 0,
+  "ContentProto": {
+    "Use": "Json",
+    "Json": {
+      "CoreVersion": {
+        "Major": 0,
+        "Minor": 2
+      },
+      "ScriptVersion": {
+        "Major": 1,
+        "Minor": 0
+      },
+      "Description": "",
+      "Id": "LobbyMobility",
+      "Language": 1,
+      "Name": "LobbyMobility",
+      "Type": 1,
+      "Source": 0,
+      "Target": null,
+      "Properties": [
+        {
+          "Type": "number",
+          "DefaultValue": "0",
+          "SyncDirection": 0,
+          "Attributes": [],
+          "Name": "Tries"
+        }
+      ],
+      "Methods": [
+        {
+          "Return": {
+            "Type": "void",
+            "DefaultValue": null,
+            "SyncDirection": 0,
+            "Attributes": [],
+            "Name": null
+          },
+          "Arguments": [],
+          "Code": "self.Tries = 0\nlocal eventId = 0\nlocal function apply()\n\tself.Tries = self.Tries + 1\n\tlocal lp = _UserService.LocalPlayer\n\tif lp ~= nil and lp.PlayerControllerComponent ~= nil then\n\t\tlocal pc = lp.PlayerControllerComponent\n\t\tpc.Enable = true\n\t\tpc.FixedLookAt = false\n\t\tlocal rb = lp.RigidbodyComponent\n\t\tif rb ~= nil then rb.WalkAcceleration = 0.7 end\n\t\t_TimerService:ClearTimer(eventId)\n\telseif self.Tries > 50 then\n\t\t_TimerService:ClearTimer(eventId)\n\tend\nend\neventId = _TimerService:SetTimerRepeat(apply, 0.1)",
+          "Scope": 2,
+          "ExecSpace": 6,
+          "Attributes": [],
+          "Name": "OnBeginPlay"
+        }
+      ],
+      "EntityEventHandlers": []
+    }
+  }
+}
diff --git a/RootDesk/MyDesk/LobbyNpc.codeblock b/RootDesk/MyDesk/LobbyNpc.codeblock
new file mode 100644
index 0000000..3349178
--- /dev/null
+++ b/RootDesk/MyDesk/LobbyNpc.codeblock
@@ -0,0 +1,89 @@
+{
+  "Id": "",
+  "GameId": "",
+  "EntryKey": "codeblock://lobbynpc",
+  "ContentType": "x-mod/codeblock",
+  "Content": "",
+  "Usage": 0,
+  "UsePublish": 1,
+  "UseService": 0,
+  "CoreVersion": "26.5.0.0",
+  "StudioVersion": "",
+  "DynamicLoading": 0,
+  "ContentProto": {
+    "Use": "Json",
+    "Json": {
+      "CoreVersion": {
+        "Major": 0,
+        "Minor": 2
+      },
+      "ScriptVersion": {
+        "Major": 1,
+        "Minor": 0
+      },
+      "Description": "",
+      "Id": "LobbyNpc",
+      "Language": 1,
+      "Name": "LobbyNpc",
+      "Type": 1,
+      "Source": 0,
+      "Target": null,
+      "Properties": [
+        {
+          "Type": "string",
+          "DefaultValue": "\"\"",
+          "SyncDirection": 0,
+          "Attributes": [],
+          "Name": "NpcId"
+        },
+        {
+          "Type": "string",
+          "DefaultValue": "\"\"",
+          "SyncDirection": 0,
+          "Attributes": [],
+          "Name": "MarkName"
+        },
+        {
+          "Type": "boolean",
+          "DefaultValue": "false",
+          "SyncDirection": 0,
+          "Attributes": [],
+          "Name": "InRange"
+        }
+      ],
+      "Methods": [
+        {
+          "Return": {
+            "Type": "void",
+            "DefaultValue": null,
+            "SyncDirection": 0,
+            "Attributes": [],
+            "Name": null
+          },
+          "Arguments": [],
+          "Code": "self.InRange = false\nlocal mark = _EntityService:GetEntityByPath(\"/maps/lobby/\" .. self.MarkName)\nif mark ~= nil then mark:SetVisible(false) end\nself.Entity:ConnectEvent(TouchEvent, function(e)\n\tself:Interact()\nend)\n_InputService:ConnectEvent(KeyDownEvent, function(e)\n\tif self.InRange and e.key == KeyboardKey.UpArrow then\n\t\tself:Interact()\n\tend\nend)\nlocal eventId = 0\nlocal function tick()\n\tlocal lp = _UserService.LocalPlayer\n\tif lp == nil then return end\n\tif mark == nil then mark = _EntityService:GetEntityByPath(\"/maps/lobby/\" .. self.MarkName) end\n\tlocal a = lp.TransformComponent.WorldPosition\n\tlocal b = self.Entity.TransformComponent.WorldPosition\n\tlocal d = Vector2.Distance(Vector2(a.x, a.y), Vector2(b.x, b.y))\n\tlocal near = d < 1.2\n\tif near ~= self.InRange then\n\t\tself.InRange = near\n\t\tif mark ~= nil then mark:SetVisible(near) end\n\tend\nend\neventId = _TimerService:SetTimerRepeat(tick, 0.15)",
+          "Scope": 2,
+          "ExecSpace": 6,
+          "Attributes": [],
+          "Name": "OnBeginPlay"
+        },
+        {
+          "Return": {
+            "Type": "void",
+            "DefaultValue": null,
+            "SyncDirection": 0,
+            "Attributes": [],
+            "Name": null
+          },
+          "Arguments": [],
+          "Code": "local c = _EntityService:GetEntityByPath(\"/common\")\nif c ~= nil and c.SlayDeckController ~= nil then\n\tc.SlayDeckController:OnLobbyNpcInteract(self.NpcId)\nend",
+          "Scope": 2,
+          "ExecSpace": 6,
+          "Attributes": [],
+          "Name": "Interact"
+        }
+      ],
+      "EntityEventHandlers": []
+    }
+  }
+}
diff --git a/tools/player/gen-lobby-npc.mjs b/tools/player/gen-lobby-npc.mjs
new file mode 100644
index 0000000..2d18e09
--- /dev/null
+++ b/tools/player/gen-lobby-npc.mjs
@@ -0,0 +1,92 @@
+import { writeFileSync } from 'node:fs';
+
+// 로비 codeblock 2종 emit (맵/엔티티 부착은 tools/map/gen-lobby-map.mjs 소관):
+//  · LobbyNpc      — NPC 엔티티에 부착. 근접 폴링→머리위 마크 토글, TouchEvent(클릭)/UpArrow(근접)→Interact→컨트롤러 호출.
+//  · LobbyMobility — 로비 맵 루트에 부착. 진입 시 플레이어 이동 잠금 해제(정찰 확정: WalkAcceleration이 진짜 레버).
+// 공격 키(LeftControl) 바인딩은 SlayDeckController(/common, 1회 등록·로비 가드)에서 처리 — 여기 두지 않음.
+const WALK_ACCEL = 0.7; // 정찰: freeze가 0으로 만든 RigidbodyComponent.WalkAcceleration 복원값(이동·점프 정상 확인)
+const PROX = 1.2;       // 근접 임계(맵 NPC 간격 2.5와 분리)
+
+function prop(Type, Name, DefaultValue = 'nil') {
+  return { Type, DefaultValue, SyncDirection: 0, Attributes: [], Name };
+}
+function method(Name, Code, Arguments = [], ExecSpace = 6) {
+  return {
+    Return: { Type: 'void', DefaultValue: null, SyncDirection: 0, Attributes: [], Name: null },
+    Arguments, Code, Scope: 2, ExecSpace, Attributes: [], Name,
+  };
+}
+function writeCodeblock(name, properties, methods) {
+  const cb = {
+    Id: '', GameId: '', EntryKey: `codeblock://${name.toLowerCase()}`, ContentType: 'x-mod/codeblock',
+    Content: '', Usage: 0, UsePublish: 1, UseService: 0, CoreVersion: '26.5.0.0', StudioVersion: '', DynamicLoading: 0,
+    ContentProto: { Use: 'Json', Json: {
+      CoreVersion: { Major: 0, Minor: 2 }, ScriptVersion: { Major: 1, Minor: 0 },
+      Description: '', Id: name, Language: 1, Name: name, Type: 1, Source: 0, Target: null,
+      Properties: properties, Methods: methods, EntityEventHandlers: [],
+    } },
+  };
+  writeFileSync(`RootDesk/MyDesk/${name}.codeblock`, JSON.stringify(cb, null, 2) + '\n', 'utf8');
+}
+
+// ── LobbyNpc ──────────────────────────────────────────────────────────────
+const npcInteract = method('Interact', `local c = _EntityService:GetEntityByPath("/common")
+if c ~= nil and c.SlayDeckController ~= nil then
+	c.SlayDeckController:OnLobbyNpcInteract(self.NpcId)
+end`);
+
+const npcBegin = method('OnBeginPlay', `self.InRange = false
+local mark = _EntityService:GetEntityByPath("/maps/lobby/" .. self.MarkName)
+if mark ~= nil then mark:SetVisible(false) end
+self.Entity:ConnectEvent(TouchEvent, function(e)
+	self:Interact()
+end)
+_InputService:ConnectEvent(KeyDownEvent, function(e)
+	if self.InRange and e.key == KeyboardKey.UpArrow then
+		self:Interact()
+	end
+end)
+local eventId = 0
+local function tick()
+	local lp = _UserService.LocalPlayer
+	if lp == nil then return end
+	if mark == nil then mark = _EntityService:GetEntityByPath("/maps/lobby/" .. self.MarkName) end
+	local a = lp.TransformComponent.WorldPosition
+	local b = self.Entity.TransformComponent.WorldPosition
+	local d = Vector2.Distance(Vector2(a.x, a.y), Vector2(b.x, b.y))
+	local near = d < ${PROX}
+	if near ~= self.InRange then
+		self.InRange = near
+		if mark ~= nil then mark:SetVisible(near) end
+	end
+end
+eventId = _TimerService:SetTimerRepeat(tick, 0.15)`);
+
+writeCodeblock('LobbyNpc', [
+  prop('string', 'NpcId', '""'),
+  prop('string', 'MarkName', '""'),
+  prop('boolean', 'InRange', 'false'),
+], [npcBegin, npcInteract]);
+
+// ── LobbyMobility ─────────────────────────────────────────────────────────
+const mobBegin = method('OnBeginPlay', `self.Tries = 0
+local eventId = 0
+local function apply()
+	self.Tries = self.Tries + 1
+	local lp = _UserService.LocalPlayer
+	if lp ~= nil and lp.PlayerControllerComponent ~= nil then
+		local pc = lp.PlayerControllerComponent
+		pc.Enable = true
+		pc.FixedLookAt = false
+		local rb = lp.RigidbodyComponent
+		if rb ~= nil then rb.WalkAcceleration = ${WALK_ACCEL} end
+		_TimerService:ClearTimer(eventId)
+	elseif self.Tries > 50 then
+		_TimerService:ClearTimer(eventId)
+	end
+end
+eventId = _TimerService:SetTimerRepeat(apply, 0.1)`);
+
+writeCodeblock('LobbyMobility', [prop('number', 'Tries', '0')], [mobBegin]);
+
+console.log('[gen-lobby-npc] LobbyNpc / LobbyMobility codeblock 생성 완료');