Updated Aug 9, 2026 ยท v1.3.67
Idle merge defense! Raise lobsters & save your aquarium from deep sea monsters!
Raise legendary lobsters, merge marine creatures, and defend your aquarium from giant deep-sea monsters in this addictive idle defense game! Offline play, easy controls. ๐ฆ Dive into AA: Attack on Aquarium โ a free idle merge game where you raise colorful marine life, collect 7 legendary lobsters, and battle massive deep-sea creatures threatening your underwater haven. Can you grow the ultimate aquarium defense team? โ 7 LEGENDARY LOBSTERS โ Discover, summon, and evolve 7 powerful legendary lobsters, each with unique abilities. Assemble the ultimate defense squad and keep your aquarium safe from every threat that rises from the abyss. โ EASY & ADDICTIVE IDLE GAMEPLAY โ Simple, intuitive controls anyone can master. Feed your marine creatures, merge them to unlock new species, and watch your aquarium thrive โ even while you're away. Relaxing to play, addictive to perfect. โ STRATEGIC DEFENSE DEPTH โ Every sea monster brings unique challenges. Adjust your team composition, upgrade lobster abilities, and plan your strategy to counter each wave. Casual enough for quick sessions, deep enough for hours of play. โ ENDLESS DEEP SEA EXPLORATION โ Uncover hidden biomes, meet rare marine creatures, and reveal the mysteries of the ocean floor. Progress through stunning underwater zones and collect valuable resources along the way. โ OFFLINE PLAY โ ANYTIME, ANYWHERE โ No internet? No problem! Feed, evolve, and defend your aquarium completely offline. Perfect for commutes, flights, or coffee breaks. โ PERFECT FOR FANS OF โ Idle games, merge games, tower defense games, aquarium tycoon games, tap simulators, and casual deep sea adventures. If you love relaxing aquarium games with real strategic depth, AA: Attack on Aquarium is your next obsession. โ WHY YOU'LL LOVE IT โ โข Free to download and play โข Full offline support โ no WiFi needed โข Easy to learn, endlessly replayable โข Quick sessions โ progress even while idle โข Stunning underwater art and relaxing sound design โข Regular updates with new lobsters, monsters, and ocean zones Download AA: Attack on Aquarium free today โ your legendary lobsters are waiting, and the aquarium needs a hero! ๐ฆ๐ [COMMUNITY & SUPPORT] We'd love to hear from you! For feedback, suggestions, or support, please reach out. Email: amebastudio@naver.com
1 year on Google Play
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