Welcome to Block Fish: Merge & Evolve – the addictive idle merge game! Dive into the blocky ocean world, merge and evolve all kinds of unique sea creatures, from fierce sharks to mighty giant beasts. Build your ultimate marine squad, defeat powerful mechanical bosses, and collect idle rewards even when you’re offline. Unlock more creatures and complete your full ocean monster encyclopedia! How to Play Drag and merge two identical sea creatures to evolve into a stronger beast with unique attack skills. Keep merging to unlock legendary monsters. Strategically arrange your fish squad on the battlefield to maximize combat power and counter different enemies. All battles run automatically. Defeat giant bosses to earn coins and unlock more evolution paths. Collect idle rewards even when the game is closed. Come back anytime to upgrade your squad and keep progressing. Game Features Satisfying Merge Evolution Intuitive drag-and-merge mechanics with smooth evolution animations. Unlock d...