Block Fish: Merge & Evolve

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 dozens of unique blocky sea creatures: basic fish, fierce sharks, epic giant beasts and more. Every merge brings a fresh surprise.

Epic Boss Battles

Freely adjust your formation to match different enemies. Challenge powerful mechanical bosses and feel the thrill of victory. Fully automatic combat saves your time, while still offering enough tactical depth.

Idle & Casual Gameplay

No complicated controls, suitable for players of all ages. Your marine squad keeps fighting and earning rewards offline. Play for a few minutes anytime during your break, and enjoy steady growth.

Rich Creature Collection

Over 30 unique sea monsters to unlock and collect. Build your exclusive ocean squad, and complete the full evolution encyclopedia. Each creature has exclusive attack effects and attributes.

Lightweight & Smooth Performance

Runs smoothly on all devices, with vivid block-style cartoon graphics and dynamic battle effects. No long loading times, jump in and start your ocean adventure instantly.

Collect all sea creatures, build the strongest marine squad, defeat all bosses and become the ultimate ocean master!

Download now and start your block ocean evolution adventure for free!