MORTALITY DECOMP. KILLERS
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06 Sep 2026
25 announcements · from MORTALITY DECOMP. KILLERS’s Steam news feed
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Playing now
0+0 vs. yesterday
All-time peak
06 Sep 2026
| Published | Kind | Announcement | Build |
|---|---|---|---|
| Game update | V2.1.1 Back Quick-Fix Full Changelog: "V2.1.1 Back Quick-Fix" Bug Fixes: - Prevented walking through Doors - Blood effects no longer pass through the floor in Bonus level 1 General Tweaks & Changes: - Added freeze-frame when killing half-goons | — | |
| In-game event | v2.1 - Back Update Greetings y'all! I've been hard at work on Bane Murrain: Episode Two , which is nearing it's final stages of development before release so keep an eye out for that! Anyway, I'd had a few fixes and bits lying around in my files, so I thought I'd drop them now in case I never added to them. Have fun! Full Changelog: "V2.1 - Back" New Shit: - Magnum & Wacker Goon Enemies now show their backs when… | — | |
| News | Merry X-Mas!! MERRY X-MAS Y'ALL! All my games are on sale until January 5th, if ya want too. | — | |
| Major update | v2.0 - Arena Mode Happy holidays! Here's a big update for MORTALITY DECOMP. KILLERS for y'all. NEW ARENA MODE has been added, for a simpler and more seamless endless mode. Move through individual rooms generated from interlocking presets and see how far you can make it. NEW UNLOCKABLE LORE LOGS that can be earned through killing enemies and collecting coin drops, which give further details on the characters and… | — | |
| In-game event | V1.6 - Cam Swap No More Hey guys. You can now optionally remove the camera's anti-clip flipping, and also swap out some of the eye-fucky bright textures for grey ones. Yuour'er welcome! Full Changelog: "V1.6 - Cam Swap No More" New Shit: - Added setting to turn off Camera Auto-Switch (clipping camera mode) - Added setting to remove screen-flash effect on gunshots - Added setting for alternative darker grey textures fo… | — | |
| Game update | v1.5.1 - Rogue Patch Full Changelog: "V1.5.1 - Rogue Patch" Bug Fixes: - Fixed Music turning off when dying as Clive once in 'Rogue Mode' - Fixeed Pause Menu not working after dying once in 'Rogue Mode' | — | |
| In-game event | V1.5 - Rogue II Here ya go, Abaddon in Rogue Mode! Of course, you need to own the Abaddon DLC to play as him. Rogue Mode also now has a setup menu before playing and all the DLC maps have been added to the pile. Have fun! Full Changelog: "V1.5 - Rogue Mode II" New Shit: - New separate menu for Rogue Mode with pre-run settings - Rogue Mode 'Randomizer' perk can be turned on by default - Players now have 3 'Live… | — | |
| Game update | V1.4.5 - Brief Patch Full Changelog: "V1.4.5 - Brief Patch" Bug Fixes: - \ Fixed a softlock point in 'Takeover Two' - \ Fixed Melee-only trophy in 'Clock Out' | — | |
| Release | SHADOW OF ABADDON - OUT NOW AVAILABLE NOW Here it is- the second half of the M.D.K story! The full Abaddon campaign is available now! I intend to update this further and add more content for DLC players specifically (like outfits) so have fun and stay tuned for more! As always, if you find any bugs or glitches in the game feel free to send a contact form or hop on the discord at cuppakill.com Thanks y'all! - Elias | — | |
| Game update | V1.4.4 - Whoops Full Changelog: "V1.4.4 - Whoops" Bug Fixes: - Level 3 doesn't kick you back to the menu anymore and end the campaign (what the fuck man) - Reverted Bullet Collision - Moved back to a patched version of initial Unity version Last patch was a risky one and turns out it broke a bunch of stuff. Sorry y'all! | — | |
| Game update | V1.4.3 - Version Conversion Full Changelog: "V1.4.3 - Version Conversion" New Shit: - Upgraded Unity version in light of recent company stupidity - The start of levels now have bars appear to prevent backtracking and hiding at spawn - Breakable doors have a slash-line flashing on them for easier differentiation Bug Fixes: - Fixed issue where player sometimes moves from spawn or respawns elsewhere (I think) - Fixed ending… | — | |
| Community | SHADOW OF ABADDON - OUT OCTOBER 10TH THE OTHER SIDE OF THE COIN MORTALITY DECOMP. KILLERS: SHADOW OF ABADDON is an expansion pack that expands on the story of the base game with an entire second campaign (at the same size as the first), featuring new gameplay mechanics, locations and characters. Play as the antagonist, Abaddon, who's crime syndicate is caught in a conflict over the Alxyte parasite. CAST YOUR SHADOW Abaddon is ruth… | — | |
| Game update | v1.4.2 - Extended Fixes Hey y'all. Still cooking on the DLC and testing some camera shit while I chip away at Bane Murrain: Episode 2. There's more of a crossover between those things than you'd expect though! Anyway, I've decided to drop some of the smaller fixes and polishes I've made while on the DLC grind. Full Changelog: "V1.4.2 - Extended Fixes" New Shit: - Holding down Space now speeds up dialogue text Bug Fixe… | — | |
| Game update | V1.4.1 - Brief Patch Changelog: "V1.4.1 - Brief Patch" Tweaks & Patches: - Fixed 'Ossuary Offices' spawning all the Hard Mode enemies in Normal Mode - Fixed a missing skybox in the final Wolf cutscene (that nobody noticed till now) sorry about that lmao | 19779480 | |
| In-game event | v1.4 - Hard Mode & Extras Hey y'all! It's time for Third Person Shooter fest, so here's a small update I crammed out amidst my Bane Murrain work. The campaign has a harder new game plus playthrough mode , there's an alternate Clive skin to unlock for beating it, and I threw in some of the concept art too from the game's three-month development. Full Changelog: "V1.4 - Hard Mode" New Shit: - Added 'Hard Mode' Campaign op… | — | |
| Community | M.D.K DLC - COMING SOON WISHLIST THE DLC THE OTHER SIDE OF THE COIN MORTALITY DECOMP. KILLERS: SHADOW OF ABADDON is an expansion pack that expands on the story of the base game with an entire second campaign (at the same size as the first), featuring new gameplay mechanics, locations and characters. Play as the antagonist, Abaddon, who's crime syndicate is caught in a conflict over the Alxyte parasite. CAST YOUR SHADO… | — | |
| In-game event | v1.3 - Touch Up Hey Guys! Thanks for still playing M.D.K and giving feedback. Here's a tiny update with a few small additions and some tweaks to make the game more approachable and smoother to play for y'all. Full Changelog: "v1.3 - Touch Up" New Shit: - Added 'Invert Y' sensitivity setting for FREAKS - Added 'Game Speed' options for people who think the game's too quick (or too slow) Tweaks & Patches: - Press… | — | |
| Esports | Bane Murrain 20% Off! - Zombies vs Vampires Fest BREAK THE BIOHAZARD Set years after the events of M.D.K, on a research space-station turned into a hellscape, Dayne the Engineer is caught in a storm of Alterk mutation mayhem! Blast through multiple arcade style levels with an arsenal of weaponry, and make choices in dialogue with Dayne's companions to alter their fates... A BOOMER-SHOOTER LOVE LETTER Inspired heavily by elements of games long… | — | |
| In-game event | v1.2 - Going Rogue Hey guys! You didn't think I was done, did you? Sorry for the absence though, I was busy script writing and playing a certain Dark Ages themed game for a long amount of time. THE GAME'S A ROGUELIKE NOW Play through endlessly shuffled levels with randomized modifiers to choose from, some good and some bad. How far can you make it before you fail? Rogue Mode also has some exclusive alternate vers… | — | |
| In-game event | v1.1 - Noir Mode & Tweaks Hey everyone! Just a very small update to clear up some issues with the end boss fight, plus throw in a few extra things for the fun of it. I'm glad y'all have been enjoying the game so far, the response has been more than I'd expected! Changelog: V1.1 - "Noir Mode & Tweaks" New Shit: - 'Noir Mode' Setting has been added, for a low-contrast greyscale mode! - Hidden Trophy Type added for complet… | — | |
| Release | M.D.K SOUNDTRACK OUT NOW Wowie, that was fast! Not on streaming just yet, but it will be eventually! You can still listen to my other tracks on there in the meantime, like all 30 Bane Murrain tracks (which are also pretty OK, if I say so myself). Anyway, thanks y'all playing the game! There's a lot more of you guys than I'd expected so that's pretty cool. I'll be reading all of your reviews and taking notes, so keep le… | — | |
| News | CLIVE IS HERE, AND HE'S FREE WELCOME TO TOKYDON. READY TO GET YOUR HANDS DIRTY? MORTALITY DECOMP. KILLERS is a short, fast-paced 3rd person horror/comedy hybrid of games like Hotline Miami and Post Void , with hand-drawn visuals inspired loosely by retro detective comics. You'll step into the well-polished shoes of Clive, an undead detective working to take down the criminals that initially killed him. LIVE. DIE. LIVE AGAI… | — |
Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.