THE EXACT-KILL TOWER DEFENSE

Puzzle comes first.Across every world.

Every enemy is a moving equation. Build Fibonacci damage chains that land on exactly zero—because overkill never fires.

34 handcrafted puzzles 6 shared worlds 3 Arcade modes
FibDefense home screen with focused Puzzle Journey and Arcade choices

13 HP

85=0 Exact kill ✓

PUZZLE JOURNEY

34 boards.
One exact solution.

Start with guided Fibonacci fundamentals, then solve deterministic battlefields built around placement, timing, and attack order. Earn up to five stars for a leak-free, efficient solve.

See how Puzzle Journey works →
FibDefense Puzzle Journey level selection with 34 handcrafted levels

ONE SELECTION · EVERY MODE

Six worlds means all six.

Choose a world once. It carries into Puzzle Journey and every Arcade mode.

01
Fantasy Puzzle + Arcade
02 🛸
Sci-Fi Puzzle + Arcade
03 🪖
Military Puzzle + Arcade
04 🕹️
Retro Puzzle + Arcade
05
Pirates Puzzle + Arcade
06
Horror Puzzle + Arcade

WAYS TO PLAY

Puzzle first.
Arcade after.

PRIMARY MODE

Puzzle Journey

34 handcrafted exact-kill challenges across every world.
🧩

ARCADE MODES

Classic20 authored waves
ContinuousSurvive nonstop pressure
EndlessPush the equation forever

NATIVE ON IPAD

See the whole solve.

The battlefield stays open beside the complete Fibonacci build deck. It is a deliberate landscape command layout—not a stretched phone UI.

  • One app and one unlock across iPhone and iPad
  • Full eight-tower build deck remains visible
  • The same saves, puzzles, Arcade modes, and six worlds
FibDefense native iPad gameplay with battlefield and complete build deck side by side

YOUR NEXT WAVE IS AN EQUATION

Can you hit exact zero?

Download on the App Store Get it on Google Play