Games like ULTRAKILL

"Not Enough Madness" is an unofficial mod for MADNESS: Project Nexus that unlocks Madness mode from the start, adds a cheats menu, and allows for real-time character alterations. The mod is still being updated and support can be found on the Steam guide's comments section. Please note that the mod is not available for purchase, but can be downloaded from the provided Google Drive link.

In DOOM Eternal, players take on the role of the Slayer, battling through an epic single-player campaign against hell's armies invading Earth. Utilize an arsenal of brutal weapons, fierce movement techniques, and powerful upgrades to defeat the forces of darkness and save humanity. With intense combat, stunning visuals, and a heavy metal soundtrack, DOOM Eternal delivers a thrilling and adrenaline-fueled experience from start to finish.

another one of those taunt simulators made in 1 day all of the sprites and music and sound effects belong to tour de pizza go buy pizza tower! https://store.steampowered.com/app/2231450/Pizza_Tower/

"Not Enough Madness" is an unofficial mod for MADNESS: Project Nexus that unlocks Madness mode from the start, adds a cheats mod menu, and enables character customization during gameplay. The mod is still being updated, and technical support is available on the Steam guide's comments section. 'NEM' brings new levels of fun to the game, with an array of exciting features to explore.

In DOOM , play as the lone DOOM Marine and fight off fierce demons invading a research facility on Mars. The game features fast-paced, first-person combat with impossibly destructive guns and various multiplayer modes. Use the DOOM SnapMap game editor to create, play, and share your own content.

I made this cause some people have the builds but not the original ones cause the ones below are the original ones

In "Cuphead," a run-and-gun indie game, players control Cuphead, a cup-headed character, fighting through various levels and bosses in a classic 1930s cartoon style. This adaptation is a research project, aiming to create a playable version for the retro PSP console, using Game Maker 8. The latest version, Alpha 0.8.2, is available for testing, featuring numerous fixes since the initial release of Alpha 0.6. Note that this is not an official adaptation, and purchasing the original game supports the official developers.

Undertale is a unique RPG where you can experience a soulful story with memorable characters, featuring a battle system that allows you to spare enemies or engage in action-packed combat. The game is mostly created by one person and offers humor, skeleton dating, and a challenge to find all the dogs within the game. However, player discretion is advised due to potential images that may trigger photosensitive epilepsy.

In Titanfall® 2, experience a thrilling single player campaign that explores the bond between Pilot and Titan, and enjoy improved multiplayer combat with new Titans, deadly Pilot abilities, and expanded customization. This first-person shooter offers a captivating story and innovative action-packed gameplay.

A 2D metroidvania with an emphasis on close combat and exploration in which the player enters the once-prosperous now-bleak insect kingdom of Hallownest, travels through its various districts, meets friendly inhabitants, fights hostile ones and uncovers the kingdom's history while improving their combat abilities and movement arsenal by fighting bosses and accessing out-of-the-way areas.