ULTRAKILL

A simple and easy to use mod manager for many games using Thunderstore

BepInEx pack for Mono Unity games. Preconfigured and ready to use.

Have you ever seen a bad Russian game translation? We made it as bad as humanly possible. You might ask, "Why?" I don't know - it's fun.

Unlocks missing enemies, bosses and objects in the sandbox + adds many new custom ones. Lets you use special cheats, search for items in the spawner arm menu and more

Fixes the Ultrakill timer to be more accurate. Source code is in the mod.

Might as well be stylish if you're gonna be in Hell.

ULTRAKILL IN SPANISH es un mod que permite disfrutar el juego ULTRAKILL completamente en español.

Pagsasaling Filipino ng larong ULTRAKILL / Filipino translation for the game ULTRAKILL

Gives the player Scout's voice lines (can get annoying very fast)

Allows you to indefinitely pump the pump-charge (shotgun & jackhammer), scaling its explosions' damage & size

Adds healthbars!

Replace the death sound when you die with something cooler or funnier.

(Greed fixes) Adds alternate versions of levels with higher difficulty and more interesting enemy arenas

500 idols! Or simply all enemies now blessed before death! All levels are now Reprise like! Expect Idolgem natural difficulty!

Traduction française avec textures et dialogues : Mise à jour avec Fraude Mise à jour le 28/08/2026 French translation of Ultrakill : Fraud update.

File manager & picker for ULTRAKILL

eNd_4's UltraKill Library

Adds a new roguelike mode

Traducción al español para ULTRAKILL diseñada al estándar de localización profesional. / Spanish localization for ULTRAKILL, designed following the standards of a professional localization.

Adds a cheat which allows punching with both arms, damaging ground slam waves, and new mechanics for all three arms. Highly configurable.