diff --git a/docs/changelogs/1.31.3.md b/docs/changelogs/1.31.3.md
new file mode 100644
index 000000000..faf65aca5
--- /dev/null
+++ b/docs/changelogs/1.31.3.md
@@ -0,0 +1,3 @@
+# BlitzKit 1.31.3
+
+This update updates BlitzKit to work with the game's new ID system for game modes.
diff --git a/package.json b/package.json
index f9457b0a7..212536f91 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "blitzkit",
-  "version": "1.31.2",
+  "version": "1.31.3",
   "license": "BlitzKit License",
   "private": true,
   "scripts": {
diff --git a/packages/core/src/blitzkit/api/server/1_tanks.ts b/packages/core/src/blitzkit/api/server/1_tanks.ts
index b5ced2ef4..c4ab6caeb 100644
--- a/packages/core/src/blitzkit/api/server/1_tanks.ts
+++ b/packages/core/src/blitzkit/api/server/1_tanks.ts
@@ -50,10 +50,11 @@ export abstract class ServerBlitzKitAPI1 extends ServerBlitzKitAPI0 {
   async tanks() {
     const tankDefinitions = TankDefinitions.create();
 
-    const gameModeNativeNames: Record<string, number> = {};
+    const gameModeNativeNames: Record<string, string> = {};
+
     const squadBattleTypeGameModeNativeNameMatches =
       this.squadBattleTypeStyles!.Prototypes[0].components.UIDataLocalBindingsComponent.data[1][2].matchAll(
-        /"(\d+)" -> "(battleType\/([a-zA-Z]+))"/g,
+        /eGameMode\.(\w+) -> "(battleType\/([a-zA-Z]+))"/g,
       );
     const gameTypeGameModeNativeNameMatches =
       this.gameTypeSelectorStyles!.Prototypes[0].components.UIDataLocalBindingsComponent.data[1][2].matchAll(
@@ -61,8 +62,7 @@ export abstract class ServerBlitzKitAPI1 extends ServerBlitzKitAPI0 {
       );
 
     for (const match of squadBattleTypeGameModeNativeNameMatches) {
-      const id = Number(match[1]);
-      gameModeNativeNames[match[3]] = id;
+      gameModeNativeNames[match[3]] = match[1];
     }
 
     for (const match of gameTypeGameModeNativeNameMatches) {
diff --git a/packages/core/src/blitzkit/api/server/9_game.ts b/packages/core/src/blitzkit/api/server/9_game.ts
index 1fba2d073..a045bd5ef 100644
--- a/packages/core/src/blitzkit/api/server/9_game.ts
+++ b/packages/core/src/blitzkit/api/server/9_game.ts
@@ -27,9 +27,9 @@ export abstract class ServerBlitzKitAPI9 extends ServerBlitzKitAPI8 {
     ).available_nations;
 
     for (const match of this.squadBattleTypeStyles!.Prototypes[0].components.UIDataLocalBindingsComponent.data[1][2].matchAll(
-      /"(\d+)" -> "(battleType\/([a-zA-Z]+))"/g,
+      /eGameMode\.(\w+) -> "(battleType\/([a-zA-Z]+))"/g,
     )) {
-      const id = Number(match[1]);
+      const id = match[1];
       const name = this.getString(match[2]);
 
       gameDefinitions.gameModes[id] = {
diff --git a/packages/protos/src/blitzkit/game_definitions.proto b/packages/protos/src/blitzkit/game_definitions.proto
index 9b7417a74..e612cdc01 100644
--- a/packages/protos/src/blitzkit/game_definitions.proto
+++ b/packages/protos/src/blitzkit/game_definitions.proto
@@ -7,7 +7,7 @@ import "i18n.proto";
 message GameDefinitions {
   required string           version   = 1;
   repeated string           nations   = 2;
-  map<uint32, GameMode>     gameModes = 3;
+  map<string, GameMode>     gameModes = 3;
   map<uint32, GameModeRole> roles     = 4;
 }
 
diff --git a/packages/protos/src/blitzkit/tank_definitions.proto b/packages/protos/src/blitzkit/tank_definitions.proto
index 475be1259..0c15d59f1 100644
--- a/packages/protos/src/blitzkit/tank_definitions.proto
+++ b/packages/protos/src/blitzkit/tank_definitions.proto
@@ -11,7 +11,7 @@ message TankDefinitions {
 message TankDefinition {
   required uint32           id                 = 1;
   required string           slug               = 2;
-  map<uint32, uint32>       roles              = 3;
+  map<string, uint32>       roles              = 3;
   required bool             fixed_camouflage   = 5;
   repeated int32            camouflages        = 6;
   repeated int32            ancestors          = 7;
diff --git a/packages/website/src/components/TankSearchFilters/index.tsx b/packages/website/src/components/TankSearchFilters/index.tsx
index ab79d4c41..8a993a9fb 100644
--- a/packages/website/src/components/TankSearchFilters/index.tsx
+++ b/packages/website/src/components/TankSearchFilters/index.tsx
@@ -42,14 +42,13 @@ const consumableDefinitions = await api.consumables();
 const provisionDefinitions = await api.provisions();
 const tankDefinitions = await api.tanks();
 
-const gameModeRoleSets: Record<number, Set<number>> = {};
+const gameModeRoleSets: Record<string, Set<number>> = {};
 
 for (const tankIdString in tankDefinitions.tanks) {
   const gameMode = tankDefinitions.tanks[tankIdString];
 
-  for (const gameModeIdString in gameMode.roles) {
-    const role = gameMode.roles[gameModeIdString];
-    const gameModeId = Number(gameModeIdString);
+  for (const gameModeId in gameMode.roles) {
+    const role = gameMode.roles[gameModeId];
 
     if (gameModeId in gameModeRoleSets) {
       gameModeRoleSets[gameModeId].add(role);
@@ -60,7 +59,7 @@ for (const tankIdString in tankDefinitions.tanks) {
 }
 
 const gameModeRoles: {
-  gameModeId: number;
+  gameModeId: string;
   consumables: number[];
   provisions: number[];
 }[] = [];
@@ -69,8 +68,7 @@ const allGameModeConsumables = new Set<number>();
 const allGameModeProvisions = new Set<number>();
 
 for (const gameModeIdString in gameModeRoleSets) {
-  const gameModeId = Number(gameModeIdString);
-  const roles = gameModeRoleSets[gameModeId];
+  const roles = gameModeRoleSets[gameModeIdString];
   const consumables = new Set<number>();
   const provisions = new Set<number>();
 
@@ -113,7 +111,7 @@ for (const gameModeIdString in gameModeRoleSets) {
   }
 
   gameModeRoles.push({
-    gameModeId: gameModeId,
+    gameModeId: gameModeIdString,
     consumables: Array.from(consumables.values()),
     provisions: Array.from(provisions.values()),
   });
diff --git a/packages/website/src/components/Tankopedia/GameModeSection.tsx b/packages/website/src/components/Tankopedia/GameModeSection.tsx
index 56b8bdf13..a095138e5 100644
--- a/packages/website/src/components/Tankopedia/GameModeSection.tsx
+++ b/packages/website/src/components/Tankopedia/GameModeSection.tsx
@@ -21,8 +21,7 @@ export function GameModeSection() {
       </Heading>
 
       <Flex justify="center" gap="4" wrap="wrap" px="4">
-        {roles.map(([key, value]) => {
-          const id = Number(key);
+        {roles.map(([id, value]) => {
           const gameMode = gameDefinitions.gameModes[id];
 
           return (
diff --git a/packages/website/src/pages/[...chunk_api]/gamemodes/[id]/banner.webp.ts b/packages/website/src/pages/[...chunk_api]/gamemodes/[id]/banner.webp.ts
index c8715a3b1..31af83ead 100644
--- a/packages/website/src/pages/[...chunk_api]/gamemodes/[id]/banner.webp.ts
+++ b/packages/website/src/pages/[...chunk_api]/gamemodes/[id]/banner.webp.ts
@@ -17,15 +17,15 @@ export const getStaticPaths = mixStaticPaths(_getStaticPaths, async () => {
   const bannerMatches: { name: string; path: string }[] = [];
 
   for (const match of gameTypeSelectorStyles.Prototypes[0].components.UIDataLocalBindingsComponent.data[1][2].matchAll(
-    /eGameMode\.([a-zA-Z]+) -> "~res:([^"]+)"/g,
+    /eGameMode\.(\w+) -> "~res:([^"]+)"/g,
   )) {
     bannerMatches.push({ name: match[1], path: match[2] });
   }
 
   for (const match of squadBattleTypeStyles.Prototypes[0].components.UIDataLocalBindingsComponent.data[1][2].matchAll(
-    /"(\d+)" -> "battleType\/([a-zA-Z]+)"/g,
+    /eGameMode\.(\w+) -> "battleType\/([a-zA-Z]+)"/g,
   )) {
-    const id = Number(match[1]);
+    const id = match[1];
     const name = match[2];
     let path = bannerMatches.find(
       (bannerMatch) => bannerMatch.name.toLowerCase() === name.toLowerCase(),