refactor: Update game cards UI and remove status badges

- Remove status badges from game card thumbnails
- Keep only feature badges on game cards
- Update feature badge text for NFT Creation Studio
- Clean up promotional banner styling and layout

Author: josegomez-dev

app/mini-games/[gameId]/page.tsx

@@ -277,7 +277,7 @@ export default function GamePage() {
         >
           <path strokeLinecap='round' strokeLinejoin='round' strokeWidth={2} d='M15 19l-7-7 7-7' />
         </svg>
-        <span className='font-bold text-xs md:text-sm hidden sm:inline'>Back to Games Explorer</span>
+        <span className='font-bold text-xs md:text-sm hidden sm:inline'>Back to Nexus Playground</span>
         <span className='font-bold text-xs sm:hidden'>Back</span>
       </button>
 

utils/constants/games/constants.ts

@@ -90,9 +90,8 @@ export const PROMOTIONAL_BANNERS: PromotionalBanner[] = [
 // Enhanced game categories
 export const GAME_CATEGORIES: GameCategory[] = [
   { id: 'all', name: '🎮 All Games', count: 8 },
-  { id: 'available', name: '✅ Available', count: 3 },
   { id: 'beta', name: '🧪 Beta', count: 2 },
-  { id: 'development', name: '🚧 In Development', count: 2 },
+  { id: 'development', name: '🚧 In Development', count: 1 },
   { id: 'coming-soon', name: '⏳ Coming Soon', count: 1 },
 ];
 
@@ -148,7 +147,7 @@ export const MINI_GAMES: MiniGame[] = [
       'Enter the competitive world of DeFi trading! Learn liquidity pools, yield farming, and automated market making while competing for top rankings.',
     shortDescription: 'Compete in DeFi trading challenges',
     icon: '📈',
-    status: 'development',
+    status: 'coming-soon',
     category: 'defi',
     difficulty: 'Advanced',
     estimatedTime: '6-8 hours',