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Gunnihilation

Ultraviolent bullet-hell platformer Gunnihilation is dual stick 16-bit mayhem that fuses several forms of 2D shoot 'em up, from run-and-gun classics like Contra and Metal Slug, to the arena-based slaughter of Smash TV.

Steam Page
Release
September 14, 2016
9 years and 324 days ago
Steam Reviews
Positive14 reviews100.0%

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Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 14, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Gunnihilation and Robo Pixel Games funded?FundingThe known source of funding behind the game.
Updated: Jul 14, 2026Creative controlWho appears to retain creative control of the game.
Updated: Jul 14, 2026Release statusWhether and how the game has been released.

Media

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About the Game

What is Gunnihilation?

Ultraviolent bullet-hell platformer Gunnihilation is dual-stick 16-bit mayhem that fuses several forms of 2D shoot'em up, from run and gun classics like Contra and Metal Slug, to the arena based slaughter of Smash TV. The side-scrolling action gameplay and screen-filling bosses can be tackled alone or with up to 4 players in local co-op.

What's in store during Early Access? Well...

  • Seasonal updates, like the Witches and Boomsticks Halloween content update
  • New weapons
  • More missions
  • Bigger bosses
  • A level editor, eventually with capacity to upload your own enemies, weapons and bosses
  • Steam workshop integration
  • Unlockables and collectables

Is there a plot?

The world is held ransom by an evil organisation with a secret weapon: waves and waves of expendable men. You are an operative in an elite task force with the critical mission of saving the world, armed only with a hammer, a handful of guns and a million billion bullets.

You will need to memorise the intricate patterns of the bullet-spewing giga-bosses, time your hammer swings against charging berzerkers and practise your circle-strafing against armies of mechs.

Jump, shoot, dodge, explode, hammer, shoot, explode, crush and explode your way across teeming jungles, devastated cityscapes, evil labs, stinking sewers, rickety elevators and silent train yards against hundreds of enemies per level.