diff --git a/packages/apps-config/src/api/spec/subgame.ts b/packages/apps-config/src/api/spec/subgame.ts
index 0aa733e072..6c3379abc7 100644
--- a/packages/apps-config/src/api/spec/subgame.ts
+++ b/packages/apps-config/src/api/spec/subgame.ts
@@ -116,6 +116,63 @@ const definitions: OverrideBundleDefinition = {
           asset_b: 'u32',
           asset_lp: 'u32',
           swap_k: 'u128'
+        },
+        Auction: {
+          id: 'u128',
+          platform_id: 'u128',
+          nft_id: 'NftId',
+          seller: 'AccountId',
+          buyer: 'Option<AccountId>',
+          amount: 'Balance',
+          percentage_of_fee: 'u8',
+          platform_fee: 'Balance'
+        },
+        Platform: {
+          id: 'u128',
+          admin: 'AccountId',
+          percentage_of_fee: 'u8',
+          fee_account: 'AccountId'
+        },
+        Plan: {
+          amount: 'SGAssetBalance',
+          score: 'SGAssetBalance'
+        },
+        GRPlatform: {
+          id: 'u128',
+          admin: 'AccountId',
+          pool_account: 'AccountId',
+          asset_id: 'u32',
+          plan: 'Vec<Plan>'
+        },
+        AbilityOfLevel: {
+          level: 'u8',
+          ability_value_1_min: 'u32',
+          ability_value_1_max: 'u32'
+        },
+        CardType: {
+          admin: 'AccountId',
+          id: 'u128',
+          name: 'Vec<u8>',
+          desc: 'Vec<u8>',
+          fixed_ability_value_1: 'u32',
+          fixed_ability_value_2: 'u32',
+          special_attribute_1: 'Vec<u8>',
+          level_max_limit: 'u32',
+          ability_of_level: 'Vec<AbilityOfLevel>',
+          is_can_draw: 'bool'
+        },
+        CardInfo: {
+          id: 'u128',
+          name: 'Vec<u8>',
+          desc: 'Vec<u8>',
+          type_id: 'u128'
+        },
+        Card: {
+          id: 'u128',
+          card_info_id: 'u128',
+          level: 'u8',
+          ability_value_1: 'u32',
+          nft_id: 'NftId'
         }
       }
     }
diff --git a/packages/apps-config/src/endpoints/productionRelayPolkadot.ts b/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
index 9e5998907b..5af71d6810 100644
--- a/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
+++ b/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
@@ -154,6 +154,15 @@ export function createPolkadot (t: TFunction): EndpointOption {
         providers: {
           SubDAO: 'wss://parachain-rpc.subdao.org'
         }
+      },
+      {
+        info: 'subgame',
+        homepage: 'http://subgame.org/',
+        paraId: 2017,
+        text: t('rpc.polkadot.subgame', 'SubGame Gamma', { ns: 'apps-config' }),
+        providers: {
+          SubGame: 'wss://gamma.subgame.org/'
+        }
       }
     ]
   };
diff --git a/packages/apps/public/locales/en/apps-config.json b/packages/apps/public/locales/en/apps-config.json
index ec1b09f6c6..8eef4534bf 100644
--- a/packages/apps/public/locales/en/apps-config.json
+++ b/packages/apps/public/locales/en/apps-config.json
@@ -62,6 +62,7 @@
   "rpc.polkadot.parity": "Polkadot",
   "rpc.polkadot.statemint-shell": "Statemint (Shell)",
   "rpc.polkadot.subdao": "SubDAO",
+  "rpc.polkadot.subgame": "SubGame Gamma",
   "rpc.prod.centrifuge": "Centrifuge",
   "rpc.prod.chainx": "ChainX",
   "rpc.prod.crab": "Darwinia Crab",