Premium Theme
Retro
Pixel-perfect sprites, chiptune-ready aesthetics, and Fibonacci mathematics that would have blown the mind of any 1980s arcade player. Defend the grid.
Unlock with PremiumTower Arsenal
All 8 tower tiers â each deals its Fibonacci number in damage
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Zapper
1
dmg
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Pew Pew
2
dmg
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Blaster
3
dmg
?
Mega Shot
5
dmg
?
Plasma
8
dmg
?
Zap
13
dmg
?
Nuke
21
dmg
?
Game Over
34
dmg
Enemy Waves
9 enemy tiers â HP increases with each tier, demanding more complex Fibonacci solutions
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Space Mite
?
Bug
?
Mutant Bug
?
Space Trooper
?
Commander
?
Rock Golem
?
Mega Bot
?
Titan
?
Final Boss
Boss Encounter
Final Boss
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The classic eight-bit final boss, demanding pixel-perfect Fibonacci tower sequences to defeat.
Unlock Retro
This theme is part of the premium unlock â along with all other themes, endless mode, and every difficulty level.
Unlock PremiumOne-time purchase â unlocks all 6 themes and everything else.