Gun Up
Release date: Jan 9, 2026
Developers: Horsepower Interactive
Publishers: Horsepower Interactive
Genres: Action, Early Access
Categories: Single-player, Steam Achievements, Family Sharing
Supported languages: English, French, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil, Russian, Simplified Chinese, Turkish

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