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Gun Up

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 soon
You will be able to play with your friends in the coming updates

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

Achievements

View all 19
Cuter this way!

Cuter this way!

0.1%

Wear the Teddy costume

Looping Explosive!

Looping Explosive!

0.1%

Obtain the Infinibear

Calculated!

Calculated!

0.1%

Survive the 10th wave with no powerups

Calculated Pro Max!

Calculated Pro Max!

0.1%

Survive the 20th wave with no powerups

LOCAL HERO

LOCAL HERO

0.1%

Survive the 10th wave in Neighbourhood map

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?

Developer

Horsepower Interactive

Publisher

Horsepower Interactive

Release Date

09 January, 2026

Platforms