Gun Up

Kill the undead, get new weapons, combine weapons, kill even more undead! Over 20 weapons, INFINITE combinations.

1 Steam review

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Details

Developer
Horsepower Interactive
Publisher
Horsepower Interactive
Released
Jan 9, 2026
Price
$3.99
Platform
PC

About this game

A zombie outbreak has overrun the city of New Horseon. With access to improvised and experimental weaponry, your only goal is simple: survive for as long as you can.

Wave-Based Survival

Fight off increasingly difficult waves of enemies and see how long you can survive.

20+ Unique Weapons

Including melee weapons, rifles, grenades, and special weapons — each with distinct behavior.

INFINITE Weapon Mixing System

Combine two weapons for a chance to create powerful (or unpredictable) new guns.

Varied Maps

Switch between multiple maps (More on the way)

Varied Enemies

Face different enemy types that demand changing tactics.

Hidden Easter Eggs

Secrets are scattered throughout the map for curious players to uncover.

Customizable Playstyle

Pick your loadout and adapt your approach through weapon combinations.

Dynamic Environment

Directional light and environmental conditions affect the atmosphere and feel of each match.

CO-OP

Now you are able to play with your friends up to 8 player in single lobby!

Ongoing Content Updates

There are +3 more planned maps coming soon, more enemy variations, boss enemies, and more easter eggs

End of the developer's description of Gun Up.

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