diff --git a/src/css/states/preload.scss b/src/css/states/preload.scss
index 514c60d2..2e14abd6 100644
--- a/src/css/states/preload.scss
+++ b/src/css/states/preload.scss
@@ -17,7 +17,7 @@
         @include S(border-radius, 3px);
 
         @include DarkThemeOverride {
-            background: #424242;
+            background: #33343c;
         }
 
         .version {
diff --git a/src/js/changelog.js b/src/js/changelog.js
index 61c1c79a..c66da8ef 100644
--- a/src/js/changelog.js
+++ b/src/js/changelog.js
@@ -2,10 +2,21 @@ export const CHANGELOG = [
     {
         version: "1.3.1",
         date: "beta",
-        entries: [
-            "Fixed savegames getting corrupt in rare conditions",
-            "Fixed game crashing sometimes since the achievements update",
-        ],
+        entries: G_CHINA_VERSION
+            ? [
+                  "The level 13 shape has been changed to reflect the chinese symbol 'Ancient Chinese Compass', created by 凯风入心",
+                  "The level 17 shape has been changed to reflect the chinese symbol 'Yongle Coins of Ming Dynasty', created by 金天赐",
+                  "The level 22 shape has been changed to reflect the chinese symbol 'Phoenix', created by 我没得眼镜",
+                  "The level 23 shape has been changed to reflect the chinese symbol 'Ancient wheel', created by 百京清真卤煮",
+                  "The level 24 shape has been changed to reflect the chinese symbol 'Panda', created by 窝囸倪现任",
+
+                  "Fixed savegames getting corrupt in rare conditions",
+                  "Fixed game crashing sometimes since the achievements update",
+              ]
+            : [
+                  "Fixed savegames getting corrupt in rare conditions",
+                  "Fixed game crashing sometimes since the achievements update",
+              ],
     },
     {
         version: "1.3.0",
diff --git a/src/js/game/hud/hud.js b/src/js/game/hud/hud.js
index d64f96a8..ceeb224e 100644
--- a/src/js/game/hud/hud.js
+++ b/src/js/game/hud/hud.js
@@ -142,9 +142,7 @@ export class GameHUD {
             this.parts.colorBlindHelper = new HUDColorBlindHelper(this.root);
         }
 
-        if (queryParamOptions.sandboxMode || G_IS_DEV) {
-            this.parts.sandboxController = new HUDSandboxController(this.root);
-        }
+        this.parts.sandboxController = new HUDSandboxController(this.root);
 
         if (!G_IS_RELEASE && !G_IS_DEV) {
             this.parts.betaOverlay = new HUDBetaOverlay(this.root);
diff --git a/src/js/game/hud/parts/sandbox_controller.js b/src/js/game/hud/parts/sandbox_controller.js
index 592487ee..a912015e 100644
--- a/src/js/game/hud/parts/sandbox_controller.js
+++ b/src/js/game/hud/parts/sandbox_controller.js
@@ -1,3 +1,4 @@
+import { queryParamOptions } from "../../../core/query_parameters";
 import { makeDiv } from "../../../core/utils";
 import { BaseHUDPart } from "../base_hud_part";
 import { DynamicDomAttach } from "../dynamic_dom_attach";
@@ -19,25 +20,25 @@ export class HUDSandboxController extends BaseHUDPart {
                     <button class="styledButton minus">-</button>
                     <button class="styledButton plus">+</button>
                 </div>
-                
+
                 <div class="upgradesBelt plusMinus">
                     <label>Upgrades &rarr; Belt</label>
                     <button class="styledButton minus">-</button>
                     <button class="styledButton plus">+</button>
                 </div>
-                
+
                 <div class="upgradesExtraction plusMinus">
                     <label>Upgrades &rarr; Extraction</label>
                     <button class="styledButton minus">-</button>
                     <button class="styledButton plus">+</button>
                 </div>
-                
+
                 <div class="upgradesProcessing plusMinus">
                     <label>Upgrades &rarr; Processing</label>
                     <button class="styledButton minus">-</button>
                     <button class="styledButton plus">+</button>
                 </div>
-                
+
                 <div class="upgradesPainting plusMinus">
                     <label>Upgrades &rarr; Painting</label>
                     <button class="styledButton minus">-</button>
@@ -148,7 +149,21 @@ export class HUDSandboxController extends BaseHUDPart {
         this.domAttach = new DynamicDomAttach(this.root, this.element);
     }
 
+    isAvailable() {
+        if (queryParamOptions.sandboxMode || G_IS_DEV) {
+            return true;
+        }
+        // @ts-ignore
+        if (window.sandboxMode) {
+            return true;
+        }
+        return false;
+    }
+
     toggle() {
+        if (!this.visible && !this.isAvailable()) {
+            return;
+        }
         this.visible = !this.visible;
     }
 
diff --git a/src/js/game/modes/regular.js b/src/js/game/modes/regular.js
index e99f4a7c..feab7b5c 100644
--- a/src/js/game/modes/regular.js
+++ b/src/js/game/modes/regular.js
@@ -87,7 +87,14 @@ function generateUpgrades(limitedVersion = false) {
                 required: [{ shape: "CwCwCwCw:WbWbWbWb", amount: 23000 }],
             },
             {
-                required: [{ shape: "CbRbRbCb:CwCwCwCw:WbWbWbWb", amount: 50000 }],
+                required: [
+                    {
+                        shape: G_CHINA_VERSION
+                            ? "CyCyCyCy:CyCyCyCy:RyRyRyRy:RuRuRuRu"
+                            : "CbRbRbCb:CwCwCwCw:WbWbWbWb",
+                        amount: 50000,
+                    },
+                ],
             },
             {
                 required: [{ shape: preparementShape, amount: 25000 }],
@@ -141,7 +148,12 @@ function generateUpgrades(limitedVersion = false) {
                 required: [{ shape: "WrWrWrWr", amount: 3800 }],
             },
             {
-                required: [{ shape: "RpRpRpRp:CwCwCwCw", amount: 6500 }],
+                required: [
+                    {
+                        shape: G_CHINA_VERSION ? "CuCuCuCu:CwCwCwCw:Sb--Sr--" : "RpRpRpRp:CwCwCwCw",
+                        amount: 6500,
+                    },
+                ],
             },
             {
                 required: [{ shape: "WpWpWpWp:CwCwCwCw:WpWpWpWp", amount: 25000 }],
@@ -315,7 +327,7 @@ export function generateLevelDefinitions(limitedVersion = false) {
         // 13
         // Tunnel Tier 2
         {
-            shape: "RpRpRpRp:CwCwCwCw", // painting t3
+            shape: G_CHINA_VERSION ? "CuCuCuCu:CwCwCwCw:Sb--Sr--" : "RpRpRpRp:CwCwCwCw", // painting t3
             required: 3800,
             reward: enumHubGoalRewards.reward_underground_belt_tier_2,
         },
@@ -324,7 +336,7 @@ export function generateLevelDefinitions(limitedVersion = false) {
         ...(limitedVersion
             ? [
                   {
-                      shape: "RpRpRpRp:CwCwCwCw",
+                      shape: G_CHINA_VERSION ? "CuCuCuCu:CwCwCwCw:Sb--Sr--" : "RpRpRpRp:CwCwCwCw",
                       required: 0,
                       reward: enumHubGoalRewards.reward_demo_end,
                   },
@@ -358,7 +370,9 @@ export function generateLevelDefinitions(limitedVersion = false) {
                   // 17
                   // Double painter
                   {
-                      shape: "CbRbRbCb:CwCwCwCw:WbWbWbWb", // miner t4 (two variants)
+                      shape: G_CHINA_VERSION
+                          ? "CyCyCyCy:CyCyCyCy:RyRyRyRy:RuRuRuRu"
+                          : "CbRbRbCb:CwCwCwCw:WbWbWbWb", // miner t4 (two variants)
                       required: 20000,
                       reward: enumHubGoalRewards.reward_painter_double,
                   },
@@ -398,7 +412,9 @@ export function generateLevelDefinitions(limitedVersion = false) {
                   // 22
                   // Constant signal
                   {
-                      shape: "Cg----Cr:Cw----Cw:Sy------:Cy----Cy",
+                      shape: G_CHINA_VERSION
+                          ? "RrSySrSy:RyCrCwCr:CyCyRyCy"
+                          : "Cg----Cr:Cw----Cw:Sy------:Cy----Cy",
                       required: 25000,
                       reward: enumHubGoalRewards.reward_constant_signal,
                   },
@@ -406,14 +422,18 @@ export function generateLevelDefinitions(limitedVersion = false) {
                   // 23
                   // Display
                   {
-                      shape: "CcSyCcSy:SyCcSyCc:CcSyCcSy",
+                      shape: G_CHINA_VERSION
+                          ? "CrCrCrCr:CwCwCwCw:WwWwWwWw:CrCrCrCr"
+                          : "CcSyCcSy:SyCcSyCc:CcSyCcSy",
                       required: 25000,
                       reward: enumHubGoalRewards.reward_display,
                   },
 
                   // 24 Logic gates
                   {
-                      shape: "CcRcCcRc:RwCwRwCw:Sr--Sw--:CyCyCyCy",
+                      shape: G_CHINA_VERSION
+                          ? "Su----Su:RwRwRwRw:Cu----Cu:CwCwCwCw"
+                          : "CcRcCcRc:RwCwRwCw:Sr--Sw--:CyCyCyCy",
                       required: 25000,
                       reward: enumHubGoalRewards.reward_logic_gates,
                   },