Welcome to Merge Fish: Deep Sea Battle – the addictive casual merge game set in the mysterious deep ocean! Merge all kinds of sea creatures, build your powerful fish squad, and fight against fierce sharks and giant sea monsters. Unlock legendary beasts, explore underwater maps, and dominate the deep sea arena!
How to Play
Drag and merge two identical fish to evolve into a stronger sea creature. Keep merging to unlock sharks, whales and legendary deep sea monsters.
Strategically arrange your squad on the battlefield to maximize combat power and defeat different enemies.
All battles run automatically. Defeat giant bosses to earn coins and unlock more creatures and sea areas.
Collect idle rewards even when the game is closed. Come back anytime to upgrade your squad and keep exploring.
Game Features
Satisfying Merge Evolution
Intuitive drag-and-merge mechanics with smooth evolution animations. Unlock dozens of unique sea creatures: small tropical fish, fierce sharks, giant whales and mysterious deep sea monsters. Every merge brings a fresh surprise.
Thrilling Deep Sea Battles
Freely adjust your formation to match different enemies. Challenge powerful sea bosses and feel the thrill of victory. Fully automatic combat saves your time, while still offering enough tactical depth.
Rich Creature Collection
Over 30 unique sea animals to unlock and collect. Build your exclusive dream squad and complete the full deep sea encyclopedia. Each creature has unique attack effects and attributes.
Casual & Easy to Play
No complicated rules or operations, suitable for players of all ages. Play for a few minutes anytime, enjoy steady growth and relaxing merge fun.
Vibrant Underwater World
Bright cartoon art style with colorful underwater scenes. Multiple themed maps including coral reefs, deep trenches and sunken ships, bringing an immersive ocean adventure.
Merge powerful sea creatures, build the strongest fish squad, defeat all giant monsters and become the king of the deep ocean!
Download now and start your underwater merge adventure for free!