地球平面説

Contains adsIn-app purchases
Content rating
Everyone
10+
Downloads
Content rating
Everyone
In-Game Purchases (Includes Random Items)
Learn more
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About this game

[Flat Earth Theory]

The world isn't round—
Three elephants stand on the back of a giant turtle, with a flat earth resting on top.

The Ouroboros serpent surrounds all things, and countless threats are now threatening this world floating on the primordial sea.

You will deploy weapons and defend the "world" from the approaching enemies.

■ Game Content
- Tower defense x Roguelike: Defend the center of the earth from waves of approaching enemies
- Bows, rockets, satellites, lightning, black holes, iaido swords... unique weapons
- Strengthen and evolve your weapons by leveling up during battle. Conquer each stage with a different build.
- Assemble your deck before deployment. Build your strategy from your available weapons.
- Enemies become stronger as you progress through the stages.

■ Features
- Each battle lasts only a few minutes. Play quickly in your spare time.
- Free gacha by watching ads. Collect weapons and build your collection.

Now, let's go defend the "supported world."
A roguelike tower defense game where you defend a flat land supported by turtles and elephants using weapons from all times and places.
Updated on
Sep 16, 2026
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  • Data is encrypted in transit