6 Worlds Await

Choose Your World

Six distinct themes, each with its own towers, enemies, and boss. The same Fibonacci math, six completely different visual experiences.

Fantasy

Free

Ancient towers defend a magical realm against creatures from beyond the veil.

Explore Fantasy Theme →

Sci-Fi

Free

High-tech turrets repel waves of alien invaders across a distant colony world.

🛸

Explore Sci-Fi Theme →

Military

Premium

Tactical defense installations hold the line against armored enemy assault.

🪖

Explore Military Theme →

Retro

Premium

8-bit nostalgia meets mathematical precision in a pixelated battlefield.

🕹️

Explore Retro Theme →

Pirates

Premium

Cannon towers guard the harbor against sea monsters and rival buccaneers.

Explore Pirates Theme →

Horror

Premium

Survive the endless dark. The undead don't stop — neither can you.

Explore Horror Theme →

Fantasy and Sci-Fi themes are included with every download at no cost. The remaining four themes are unlocked with the one-time premium upgrade.