Free Theme

Fantasy

The oldest magic meets the oldest math. Fibonacci-powered towers of stone and sorcery hold back a tide of mythical creatures. Dragons, golems, and wraiths all fall to the same mathematical truth.

Included Free in Every Download

Tower Arsenal

All 8 tower tiers — each deals its Fibonacci number in damage

Dart
1
dmg
Sling
2
dmg
Arrow
3
dmg
Bolt
5
dmg
Fireball
8
dmg
Lightning
13
dmg
Meteor
21
dmg
Apocalypse
34
dmg

Enemy Waves

9 enemy tiers — HP increases with each tier, demanding more complex Fibonacci solutions

Pixie
Goblin
Hobgoblin
Orc
Uruk-hai
Troll
Ogre
Giant
Dragon
Boss Encounter

The Pale Sovereign

An ancient lich whose undead form must be unraveled tower by tower — its staggering HP demands your full Fibonacci arsenal.

Included Free — No Purchase Required

Download FibDefense to play the Fantasy theme at no cost, alongside Sci-Fi.