심해디펜스

Contains adsIn-app purchases
Content rating
Everyone
100+
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Content rating
Everyone
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About this game

4,000 meters deep, where light does not reach. You must create light to survive.

The swarming deep-sea creatures each harbor a bioluminescent core.

Even in the darkness, only that light is visible — but until it comes into your sight, you can do nothing.

There is only one way to survive: eliminate them.

When you defeat a mob, its bioluminescent core explodes, illuminating the darkness and creating an 'attackable area.'

Connect the holes of light you have created in this way to expand your field of vision.

The light does not last long, and the deeper you descend, the narrower your field of vision becomes.

▶ Choose 3 Cards, a Different Build Every Time

One of three cards with every level up. What you choose determines the survival of this run.

▶ Connect, and Weave

Evolve the ability of a single turret into [Chain] — Heat missiles explode upon defeat, and the explosion spreads to the surrounding area.

Weave two turrets into [Combo] — Discharges fly through the residual heat left by the laser.

A strategic move planted early on returns as firepower in the late game.

▶ Choose Your Turrets

Buy time by pushing back with Hammerheads, concentrate firepower with Abyss Lasers,

Sweep through swarms with Chain Dischargers, and aim for the late game with Venom Fields.

The battle becomes completely different depending on the turret combination.

▶ Become Stronger Even in Death

Reinforce your base with modules and chips obtained from battles, and challenge the deeper abyss once again.

5-10 minutes per match. Descend into the deep sea now.

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※ This game includes gacha items, and probability information can be checked in the in-game store.

※ Separate fees apply when purchasing paid items.

■ Access Permission Guide: No optional access permissions (only essential permissions used)

■ Terms of Service: https://nenestudio/deepseadefense/terms.html

■ Privacy Policy: https://nenestudio/deepseadefense/privacy.html
The deep sea where you can only attack what you can see. A roguelike tower defense game where you defeat enemies to illuminate the darkness and expand your field of vision.
Updated on
Sep 15, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Location, Personal info and 4 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

v1.5.6 업데이트

■ 보스전 개편
- 보스의 발광핵을 하나 꺼뜨릴 때마다 「추가 기회」 카드 뽑기가 열립니다
- 보스가 살아 있는 동안 잡몹이 계속 보충되어 카드가 끊기지 않습니다
- 보스를 처치하면 남은 적이 함께 소멸하며 바로 승리합니다

■ 난이도 조정
- 챕터 2 이후 전 스테이지의 적 체력을 소폭 낮췄습니다
- 심연 군주(스테이지 5) 체력을 낮췄습니다

■ 편의
- 패배 화면에서 지금 바로 할 수 있는 성장(칩 장착·모듈 강화·성과 상자·연구)으로 바로 이동할 수 있습니다
- 성과 상자 화면의 「스테이지로 이동」 버튼을 제거했습니다
Content rating
Everyone
Learn more

App support

About the developer
안명훈
support@nene.studio
호계동 동안로 11 무궁화아파트, 710동 1602호 동안구, 안양시, 경기도 14100 South Korea