diff --git a/apps/server/src/network/handlers/game/input/registerMoveInputHandler.ts b/apps/server/src/network/handlers/game/input/registerMoveInputHandler.ts
new file mode 100644
index 0000000..596a67b
--- /dev/null
+++ b/apps/server/src/network/handlers/game/input/registerMoveInputHandler.ts
@@ -0,0 +1,39 @@
+/**
+ * registerMoveInputHandler
+ * MOVE入力イベントの購読とユースケース連携を登録する
+ */
+import { protocol, type playerTypes } from "@repo/shared";
+import type {
+  BombPlacementPort,
+  MovePlayerPort,
+  ReadyForGamePort,
+  StartGamePort,
+} from "@server/domains/game/application/ports/gameUseCasePorts";
+import { movePlayerUseCase } from "@server/domains/game/application/useCases/movePlayerUseCase";
+
+type RegisterMoveInputHandlerParams = {
+  socketId: string;
+  gameManager: StartGamePort & ReadyForGamePort & MovePlayerPort & BombPlacementPort;
+  onEvent: (event: typeof protocol.SocketEvents.MOVE, listener: (payload: unknown) => void) => void;
+  guardMovePayload: (payload: unknown) => payload is playerTypes.MovePayload;
+};
+
+/** MOVE入力を検証しプレイヤー移動ユースケースへ連携する */
+export const registerMoveInputHandler = ({
+  socketId,
+  gameManager,
+  onEvent,
+  guardMovePayload,
+}: RegisterMoveInputHandlerParams): void => {
+  onEvent(protocol.SocketEvents.MOVE, (data) => {
+    if (!guardMovePayload(data)) {
+      return;
+    }
+
+    movePlayerUseCase({
+      gameManager,
+      playerId: socketId,
+      move: data,
+    });
+  });
+};
diff --git a/apps/server/src/network/handlers/game/input/registerPlaceBombInputHandler.ts b/apps/server/src/network/handlers/game/input/registerPlaceBombInputHandler.ts
new file mode 100644
index 0000000..216018c
--- /dev/null
+++ b/apps/server/src/network/handlers/game/input/registerPlaceBombInputHandler.ts
@@ -0,0 +1,54 @@
+/**
+ * registerPlaceBombInputHandler
+ * PLACE_BOMB入力イベントの購読とユースケース連携を登録する
+ */
+import { protocol, type PlaceBombPayload } from "@repo/shared";
+import type {
+  BombPlacementPort,
+  BombOutputPort,
+  MovePlayerPort,
+  ReadyForGamePort,
+  StartGamePort,
+} from "@server/domains/game/application/ports/gameUseCasePorts";
+import type {
+  FindRoomByOwnerPort,
+  FindRoomByPlayerPort,
+  RoomPhaseTransitionPort,
+} from "@server/domains/room/application/ports/roomUseCasePorts";
+import { placeBombUseCase } from "@server/domains/game/application/useCases/placeBombUseCase";
+
+type RegisterPlaceBombInputHandlerParams = {
+  socketId: string;
+  gameManager: StartGamePort & ReadyForGamePort & MovePlayerPort & BombPlacementPort;
+  roomManager: FindRoomByOwnerPort & FindRoomByPlayerPort & RoomPhaseTransitionPort;
+  output: BombOutputPort;
+  onEvent: (event: typeof protocol.SocketEvents.PLACE_BOMB, listener: (payload: unknown) => void) => void;
+  guardPlaceBombPayload: (payload: unknown) => payload is PlaceBombPayload;
+};
+
+/** PLACE_BOMB入力を検証し，所属ルームへ同期配信する */
+export const registerPlaceBombInputHandler = ({
+  socketId,
+  gameManager,
+  roomManager,
+  output,
+  onEvent,
+  guardPlaceBombPayload,
+}: RegisterPlaceBombInputHandlerParams): void => {
+  onEvent(protocol.SocketEvents.PLACE_BOMB, (data) => {
+    if (!guardPlaceBombPayload(data)) {
+      return;
+    }
+
+    placeBombUseCase({
+      roomResolver: roomManager,
+      bombStore: gameManager,
+      input: {
+        socketId,
+        payload: data,
+        nowMs: Date.now(),
+      },
+      output,
+    });
+  });
+};
diff --git a/apps/server/src/network/handlers/game/registerGameHandlers.ts b/apps/server/src/network/handlers/game/registerGameHandlers.ts
index 525b6d9..7d3adc5 100644
--- a/apps/server/src/network/handlers/game/registerGameHandlers.ts
+++ b/apps/server/src/network/handlers/game/registerGameHandlers.ts
@@ -17,13 +17,13 @@
   ReadyForGamePort,
   StartGamePort,
 } from "@server/domains/game/application/ports/gameUseCasePorts";
-import { movePlayerUseCase } from "@server/domains/game/application/useCases/movePlayerUseCase";
-import { placeBombUseCase } from "@server/domains/game/application/useCases/placeBombUseCase";
 import { pingUseCase } from "@server/domains/game/application/useCases/pingUseCase";
 import { createCommonHandlerContext } from "@server/network/handlers/CommonHandler";
 import { isMovePayload, isPingPayload, isPlaceBombPayload } from "@server/network/validation/socketPayloadValidators";
 import { createServerSocketOnBridge } from "@server/network/handlers/socketEventBridge";
 import { createPayloadGuard } from "@server/network/handlers/payloadGuard";
+import { registerMoveInputHandler } from "./input/registerMoveInputHandler";
+import { registerPlaceBombInputHandler } from "./input/registerPlaceBombInputHandler";
 import { createGameOutputAdapter } from "./createGameOutputAdapter";
 
 /** ゲーム受信イベントごとの入力検証関数を保持するテーブル */
@@ -88,34 +88,19 @@
     });
   });
 
-  // 移動入力を検証しプレイヤー移動ユースケースへ連携する
-  onEvent(protocol.SocketEvents.MOVE, (data) => {
-    if (!guardMovePayload(data)) {
-      return;
-    }
-
-    movePlayerUseCase({
-      gameManager,
-      playerId: socket.id,
-      move: data,
-    });
+  registerMoveInputHandler({
+    socketId: socket.id,
+    gameManager,
+    onEvent,
+    guardMovePayload,
   });
 
-  // 爆弾設置入力を検証し，所属ルームへ同期配信する
-  onEvent(protocol.SocketEvents.PLACE_BOMB, (data) => {
-    if (!guardPlaceBombPayload(data)) {
-      return;
-    }
-
-    placeBombUseCase({
-      roomResolver: roomManager,
-      bombStore: gameManager,
-      input: {
-        socketId: socket.id,
-        payload: data,
-        nowMs: Date.now(),
-      },
-      output: gameOutputAdapter,
-    });
+  registerPlaceBombInputHandler({
+    socketId: socket.id,
+    gameManager,
+    roomManager,
+    output: gameOutputAdapter,
+    onEvent,
+    guardPlaceBombPayload,
   });
 };