Geometry Tower: Idle Defense is a minimalist's dream, combining the addictive 'just one more level' feel of a Roguelike with the hands-off progression of an idle game. You control a single geometric tower that must survive endless waves of enemies. After each wave, you get to choose from randomized upgrades—making every run feel slightly different. You might focus on pure damage (ATK) in one run, or build an 'indestructible' tank with high HP and health regeneration in the next.
The 'stylized art' is clean and visually pleasing, ensuring the screen never feels too cluttered even when dozens of enemies are swarming. The best part? There are no forced ads, making for a very smooth experience. While the difficulty curve spikes significantly around level 8—nudging you toward the strategic 'research' and permanent upgrade menus—it remains a highly rewarding title for those who enjoy optimizing their builds and seeing numbers go up. It’s simple to learn but has enough tactical depth to satisfy veteran TD fans.
Available on: iPhone, iPad, iPod
Version 0.2.103Mon Jan 19 2026
Fixed bugs
Defend your tower with strategy in battles, and enjoy exciting challenges of this Roguelike game!
-Roguelike Gameplay
Choose from numbers of upgrades to make it an indestructible tower after endless waves of enemies in roguelike battles. Experience the fun of Roguelike!
-Idle Tower Defense
Addictive tower defense gameplay with idle mechanism. Easy to play, defend against the attacks from enemies with simply clicks. Collect resources from battles to level up the ATK and HP of your tower. In the meantime, develop the researches of your tower to power up.
-Defeat With Strategy
Upgrade your tower to be stronger with strategy and continue to refine your strategy with each battle. You have to defend the tower from waves of enemies to the last second. Prove your tactical skills in these thrilling challenges and achieve the victory.
- Stylized Art Design
Elements in the game are designed with simple geometric shapes in a stylized way.
Requires iOS 15.0 or later. Compatible with iPhone, iPad, and iPod touch.Upgrade your tower, attack enemies, and survive in this Roguelike game!
Defend your tower with strategy in battles, and enjoy exciting challenges of this Roguelike game!
-Roguelike Gameplay
Choose from numbers of upgrades to make it an indestructible tower after endless waves of enemies in roguelike battles. Experience the fun of Roguelike!
-Idle Tower Defense
Addictive tower defense gameplay with idle mechanism. Easy to play, defend against the attacks from enemies with simply clicks. Collect resources from battles to level up the ATK and HP of your tower. In the meantime, develop the researches of your tower to power up.
-Defeat With Strategy
Upgrade your tower to be stronger with strategy and continue to refine your strategy with each battle. You have to defend the tower from waves of enemies to the last second. Prove your tactical skills in these thrilling challenges and achieve the victory.
- Stylized Art Design
Elements in the game are designed with simple geometric shapes in a stylized way.












Geometry Tower: Idle Defense blends accessible idle mechanics with the strategic depth of a Roguelike. Players must defend their tower by choosing between hundreds of randomized upgrades after each wave. Collect resources from battles to permanently level up your ATK and HP, and refine your tactical skills to survive to the last second in this stylized geometric world.
Addictive Roguelike upgrade system
No forced ads for a pure gaming experience
Minimalist stylized geometric art design
Deep research tree for permanent progression
Prioritize 'Multi-Shot' and 'Attack Speed' in the early waves. If you find yourself dying quickly, invest your permanent resources into the 'HP' research tree to survive the level 8 difficulty spike.
Even when you aren't actively clicking, your tower earns resources. Use these in the Lab to unlock permanent boosts that apply to all future runs.
No, all ads in the game are completely optional and reward you with extra resources if you choose to watch them.