Unlock the Full FibDefense Experience
One purchase. Everything. Forever.
All 7 themes, endless mode, every difficulty level, boss encounters, and all future content updates.
No subscriptions. No ads. No pay-to-win mechanics.
Free vs Premium
| Feature | Free | Premium |
|---|---|---|
| Themes | Fantasy + Sci-Fi | All 7 Themes |
| Classic Waves | 20 Waves | Unlimited |
| Endless Mode | — | ✓ |
| Easy Difficulty | ✓ | ✓ |
| Medium / Hard / Expert | — | ✓ |
| Boss Encounters | — | ✓ |
| Future Content | — | ✓ |
| Price | Free | One-Time Purchase |
All 7 Themes
Each theme has a unique visual style, tower designs, enemies, and boss character.
Fantasy
Included FreeAncient towers defend a magical realm against creatures from beyond the veil.
Sci-Fi
Included FreeHigh-tech turrets repel waves of alien invaders across a distant colony world.
Military
Premium UnlockedTactical defense installations hold the line against armored enemy assault.
Retro
Premium Unlocked8-bit nostalgia meets mathematical precision in a pixelated battlefield.
Pirates
Premium UnlockedCannon towers guard the harbor against sea monsters and rival buccaneers.
Steampunk
Premium UnlockedVictorian clockwork machinery powered by steam and Fibonacci ingenuity.
Horror
Premium UnlockedSurvive the endless dark. The undead don't stop — neither can you.
Ready to Go Premium?
The unlock is available directly inside the app. Download free, then upgrade from the in-game menu whenever you're ready.
Questions? Contact Support