Link Steam
indiegame.fan
Gun Up header art

Gun Up

Kill the undead, get new weapons, combine weapons, kill even more undead! Over 20 weapons, INFINITE combinations. Featuring different locations to play and survive. How long can you survive?

Steam Page
Developer
Horsepower Interactive
Publisher
Horsepower Interactive
Release
January 9, 2026
205 days ago
Steam Reviews
1 user reviews1 reviews100.0%

Does this feel indie?

Vote based on whether this game feels indie to you. You can change your vote at any time. Results earn an IGF score after 10 accepted votes.
No votes yet
Vote on More Games
Game contextLatest: IGF Team
ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan.Status
Notes
Latest Contributor: IGF TeamEdit notes
Search Google: Who developed Gun Up?Developer scaleThe operating scale of the game's developer.
Search Google: Who published Gun Up?Publisher scaleThe operating scale of the game's publisher.
Search Google: Is Gun Up self-published or published by Horsepower Interactive?Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Gun Up and Horsepower Interactive funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for Gun Up and Horsepower Interactive?Creative controlWho appears to retain creative control of the game.
Search Google: What is the release status of Gun Up?Release statusWhether and how the game has been released.

Media

9 items

About the 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

Indie Game Fan