Gun Up

[v1.0] Full Release

Horsepower Interactive

Gun Up has moved from Early Access to full release. It used to be a wave-by-wave survival game. It is now a constant-onslaught survivor roguelite: enemies keep coming, you level up and pick upgrades as you fight, and every run builds toward a boss and an escape.

Core gameplay

  • Continuous enemy fight. Enemies spawn nonstop around you, with spawn speed increasing every wave. The old break-between-waves structure is gone.
  • XP and level-ups. Kills drop XP gems. When you level up the game pauses and you pick one of several upgrade cards: new weapons, perks, potions and more.
  • Card rerolls. You can reroll the offered cards (rerolls come from permanent upgrades).
  • Luck and Curse. Luck adds extra card choices and better drops. Curse makes enemies tougher but gives more XP, and it rises additionally on its own every 10 waves.
  • Two modes. Default (30 minutes) and Quick (10 minutes, same 30 waves).
  • Power-ups. Enemies can drop Max Ammo, Nuke, Magnet and Free XP pickups.
  • Regeneration. Health now regenerates after a few seconds without taking damage.
  • Player classes. SWAT, Thug, Worker and Teddy, each with its own health, energy and speed.
  • Sprint and energy. Running uses an energy bar.

Boss and escape

  • The Butcher. In the final minute everything else vanishes and the Butcher walks in. He has slams, leaps, bone volleys, ground-zone barrages and, later, a bullet ring. He gets faster and meaner in three phases.
  • Evacuation helicopter. If the timer runs out, a helicopter arrives and everyone has to get on it before the area is nuked. Killing the Butcher also wins the match.
  • Results screen. It shows time survived, wave reached, kills, damage, MVP and the coins you earned.

Weapons and arsenal

  • Many new guns. A large batch of new weapons, melee weapons and utilities, all with new art, plus weapon rebalancing.
  • Weapon fusion. Combine two weapons into one with a fusion screen that rolls the new stats. Certain pairs unlock special fusion weapons. Discovered recipes are tracked.
  • Auto-use systems. Pick passives that work on their own: automatic grenades, mines, shockwaves and a medic.
  • Utilities. Grenades, claymores, molotovs, monkey bomb, Infinibear, sentry turrets and stim shots.

Enemies

  • Bigger roster. Hasty, fat and tanky zombies, the Astro, Hound, Beastmaster, Shrouder, splitters, juggernauts, medics and more. Many have unique abilities.
  • Scaling. Enemy health and damage scale with Curse and with the number of players.

Meta Progression

  • Coins. You earn coins from damage dealt, with a bonus for killing the Butcher.
  • Permanent upgrades. Spend coins on base health, base energy, base speed, card rerolls, Luck and Curse.
  • Armory. Unlock additional weapons and utilities.
  • Achievements. Around 30 new achievements. Some unlock armory items.

Co-op and online

  • Co-op for up to 4. Downed players come back as ghosts and respawn next to a teammate after 60 seconds.
  • Smoother online play. Remote players and enemies now move smoothly even at low update rates.
  • Slow-connection friendly. The host sends each player only the enemies near them and lowers the update rate when there are too many.

Presentation

  • New main menu. A cool new animation that plays in the background.
  • Lobby. A new dark-tinted lobby with character selection and class stats.
  • Music. 3 New separate looping tracks for the menu, the game and the boss fight.
  • Sound. Many new and improved sound effects, with random pitch variation and positional audio.
  • Visuals. Screen shaders, muzzle flashes, blood and death particles and camera shake. Screen effects can be turned off in video settings.
  • Settings. Video settings with a “keep this resolution?” confirmation..
  • Languages. Ten languages. All menu texts are translated.

Maps and systems

  • Collision boxes were redone on every map, with a map collision tool.
  • Enemy pathfinding was improved.
  • The Araf map is currently disabled.

Removed features.

  • The old interactables (mix machine, quests, gun boxes, electricity, debris).

We hope you enjoy this update,

-Horsepower Interactive

This announcement was originally published by Horsepower Interactive on Steam on Oct 22, 2026.

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Gun Up

$3.59action · bullet-hell

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