diff --git a/src/js/game/camera.js b/src/js/game/camera.js
index b6fcebb5..e15fd156 100644
--- a/src/js/game/camera.js
+++ b/src/js/game/camera.js
@@ -943,7 +943,7 @@ export class Camera extends BasicSerializableObject {
             )
         );
 
-        this.clampPosition(this.center)
+        this.clampPosition(this.center);
     }
 
     /**
diff --git a/src/js/game/hud/hud.js b/src/js/game/hud/hud.js
index 5f731d1f..8df5c703 100644
--- a/src/js/game/hud/hud.js
+++ b/src/js/game/hud/hud.js
@@ -181,7 +181,7 @@ export class GameHUD {
                 continue;
             }
 
-            this.parts[key] = new Part(this.root); 
+            this.parts[key] = new Part(this.root);
         }
     }
 
diff --git a/src/js/game/modes/puzzle.js b/src/js/game/modes/puzzle.js
index ed58f850..de3920e1 100644
--- a/src/js/game/modes/puzzle.js
+++ b/src/js/game/modes/puzzle.js
@@ -30,9 +30,9 @@ export class PuzzleGameMode extends GameMode {
 
         this.type = this.getType();
         this.hiddenHudParts = data.hiddenHudParts || this.getDefaultHiddenHudParts();
-//        this.excludedHudParts = data.hiddenHudParts || this.getDefaultHiddenHudParts();
-        this.zoneHeight = data.zoneHeight || (3 * globalConfig.tileSize);
-        this.zoneWidth = data.zoneWidth || (4 * globalConfig.tileSize);
+        // this.excludedHudParts = data.hiddenHudParts || this.getDefaultHiddenHudParts();
+        this.zoneHeight = data.zoneHeight || 3 * globalConfig.tileSize;
+        this.zoneWidth = data.zoneWidth || 4 * globalConfig.tileSize;
         this.boundaryHeight = this.zoneHeight * 2;
         this.boundaryWidth = this.zoneWidth * 2;
     }
@@ -49,7 +49,7 @@ export class PuzzleGameMode extends GameMode {
 
     getDefaultHiddenHudParts() {
         return {
-            [HUDPinnedShapes.name]: true
+            [HUDPinnedShapes.name]: true,
         };
     }
 
diff --git a/src/js/savegame/schemas/1009.js b/src/js/savegame/schemas/1009.js
index 838f1bd9..e6e1abc6 100644
--- a/src/js/savegame/schemas/1009.js
+++ b/src/js/savegame/schemas/1009.js
@@ -27,8 +27,8 @@ export class SavegameInterface_V1009 extends SavegameInterface_V1008 {
         dump.gameMode = {
             mode: {
                 id: RegularGameMode.getId(),
-                data: {}
-            }
+                data: {},
+            },
         };
     }
 }
diff --git a/src/js/states/ingame.js b/src/js/states/ingame.js
index 9ba3aa3d..34f360e3 100644
--- a/src/js/states/ingame.js
+++ b/src/js/states/ingame.js
@@ -39,6 +39,9 @@ export class GameCreationPayload {
         /** @type {boolean|undefined} */
         this.fastEnter;
 
+        /** @type {string} */
+        this.gameModeId;
+
         /** @type {Savegame} */
         this.savegame;
     }
diff --git a/src/js/states/main_menu.js b/src/js/states/main_menu.js
index 24c33b5f..e5f9c20b 100644
--- a/src/js/states/main_menu.js
+++ b/src/js/states/main_menu.js
@@ -317,11 +317,7 @@ export class MainMenuState extends GameState {
         const bottomButtonContainer = this.htmlElement.querySelector(".bottomContainer .buttons");
         removeAllChildren(bottomButtonContainer);
 
-        const puzzleModeButton = makeButton(
-            bottomButtonContainer,
-            ["styledButton"],
-            T.mainMenu.puzzleMode
-        );
+        const puzzleModeButton = makeButton(bottomButtonContainer, ["styledButton"], T.mainMenu.puzzleMode);
 
         bottomButtonContainer.appendChild(puzzleModeButton);
         this.trackClicks(puzzleModeButton, this.onPuzzleModeButtonClicked);
@@ -337,10 +333,7 @@ export class MainMenuState extends GameState {
         const buttonContainer = this.htmlElement.querySelector(".mainContainer .buttons");
         removeAllChildren(buttonContainer);
 
-        const playButtonElement = makeButtonElement(
-            ["playButton", "styledButton"],
-            T.mainMenu.play
-        );
+        const playButtonElement = makeButtonElement(["playButton", "styledButton"], T.mainMenu.play);
 
         buttonContainer.appendChild(playButtonElement);
         this.trackClicks(playButtonElement, this.onPuzzlePlayButtonClicked);
@@ -348,11 +341,7 @@ export class MainMenuState extends GameState {
         const bottomButtonContainer = this.htmlElement.querySelector(".bottomContainer .buttons");
         removeAllChildren(bottomButtonContainer);
 
-        const backButton = makeButton(
-            bottomButtonContainer,
-            ["styledButton"],
-            T.mainMenu.back
-        );
+        const backButton = makeButton(bottomButtonContainer, ["styledButton"], T.mainMenu.back);
 
         bottomButtonContainer.appendChild(backButton);
         this.trackClicks(backButton, this.onBackButtonClicked);