- NEW FREE FPS OUT NOW - 31 August 2026
MY LATEST GAME IS AVAILABLE NOW FOR FREEWHAT'S IT ABOUT?At the end of Earth, Nilus, the God of Gore re-incarnate, lays waste to the last standing battalion - A corrupt oppression with ties to his past.Juggle between stolen weaponry and discard empty guns straight into enemy faces! Execute powerful kill animations to regain health and dash across the arena! Combat in REINCARNAGE is a dance of balance where enemies can be both your ammunition, your lifeline and your demise.HOPE Y'ALL HAVE FUN!This is my edgiest project so far and it's likely to remain my edgiest, since I'll be moving onto some sillier shenanigans beyond this point (comedically, that includes the next two episodes of my OTHER violent shooter, Bane Murrain)!I hope y'all can have some fun with this one and use it as a vent outlet the same way I have. As for later updates, I'm sure I'll have fixes and game-modes to add the sa…
- REINCARNAGE IS COMING - 5 August 2026
Annihilate everything. September 1st.(...and the entire base game will be free!)WHATS IT ABOUT?At the end of Earth, Nilus, the God of Gore re-incarnate, lays waste to the last standing battalion - A corrupt oppression with ties to his past.There is no reloading - Juggle between stolen weaponry and discard empty guns straight into enemy faces! Execute powerful kill animations to regain health and dash across the arena! Combat in REINCARNAGE is a dance of balance where enemies can be both your ammunition, your lifeline and your demise.WISHLIST HEREThe entire base game will be released for free on September 1st, with an optional supporter pack planned with some bonus paid content.I hope y'all like it! It's a total edgelord-fest.-Elias
- v2.2 - 1 Year Anniversary! - 25 April 2026
Hey y'all!It's been a whole year since the release of MORTALITY DECOMP KILLERS! I didn't expect so many people to play this game at all when I was making it and the game's evolved so much thanks to your reviews, messages and support. Thanks for playing everyone!I've added 4 Master Levels to the game for y'all to munch on. It's not anything huge, but I've been very occupied with Bane Murrain: Episode Two, which is coming out in a month or so.There's also new music over on Bandcamp, that'll make it's way to streaming within the next few weeks or so! Two new original songs and multiple covers in the style of my other games, some of which appear in Rogue Mode.Listen to the New EPThanks again for sticking around!-Elias
- V2.1.1 Back Quick-Fix - 15 March 2026
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 1General Tweaks & Changes: - Added freeze-frame when killing half-goons
- v2.1 - Back Update - 15 March 2026
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 facing away from the player - New Positive Rogue Perk: Friendly Fire (Suggested by evin52707) - New Positive Rogue Perk: Small Saws - New Negative Rogue Perk: Hard DoorsBug Fixes: - \ Fixed FPS mode not scaling for larger screen sizes - Doors have slightly better bullet collision nowGeneral Tweaks & Changes: - \ Gibbing sound now plays when you die in FPS mode - Drastically sped-up intro text crawls for easier reading - Increased coin drop chance from killing enemies - Changed slash recharge sound to s…
- Merry X-Mas!! - 25 December 2025
MERRY X-MAS Y'ALL! All my games are on sale until January 5th, if ya want too.
- v2.0 - Arena Mode - 18 December 2025
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 their lives.A NEW UNLOCKABLE CLIVE OUTFIT that you'll have to play to see... You can take his coat off now!COMPLETELY REBUILT MENUS that now almost entirely function with mouse clicking. Plus the settings are available from the in-game pause menu too!CAMPAIGNS NOW HAVE AN EASY MODE for anyone struggling with the difficulty of the game and just want to see the cutscenes.AND FOR OWNERS OF SHADOW OF ABADDON (DLC), both campaigns and every game mode can now be played entirely in FIRST PERSON SHOOTER MOD…
- V1.6 - Cam Swap No More - 11 November 2025
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 for certain bright-white texturesTweaks & Changes:- Colour-coded the settings menu text out of boredom- Changed the opacity of multiple menu assets- Removed that random half of a loading screen when pressing 'New Game'I was intending to eventually work on a better camera, but I don't have the time or technical skill to do so right now and I feel like y'all would prefer to have the wall-clipping option than no option at all. Have fun!
- v1.5.1 - Rogue Patch - 6 November 2025
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'
- V1.5 - Rogue II - 5 November 2025
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 'Lives' per map before game over in Rogue Mode- \ Abaddon is now available in Rogue Mode- \ All DLC Maps can be played in rogue mode- \ Selection of maps randomized in Rogue Mode can be altered Bug Fixes:- Fixed 'Load Game' loading back to Level 5 when on Level 6- \ Fixed 'Load Game' skipping past DLC Level 8 and loading the ending instead Tweaks & Changes:- Lowered wait time when dying in Rogue Mode
- V1.4.5 - Brief Patch - 12 October 2025
Full Changelog: "V1.4.5 - Brief Patch"Bug Fixes:- \ Fixed a softlock point in 'Takeover Two'- \ Fixed Melee-only trophy in 'Clock Out'
- SHADOW OF ABADDON - OUT NOW - 10 October 2025
AVAILABLE NOWHere 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.comThanks y'all! - Elias
- V1.4.4 - Whoops - 6 October 2025
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 versionLast patch was a risky one and turns out it broke a bunch of stuff. Sorry y'all!
- V1.4.3 - Version Conversion - 5 October 2025
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 differentiationBug Fixes:- Fixed issue where player sometimes moves from spawn or respawns elsewhere (I think)- Fixed ending Clive sprite sometimes running instead of standing still- Fixed error where screen would keep shaking upon player deathTweaks & Changes:- The credits can now be skipped through with space- Main Menu has been lightly altered for later DLC content access- Enemies have a 0.2 wait time before activating on spawn to prevent immediate attacking- Player's bullet collider has been changed for better accuracy and less collision issuesKnown Issues:- Some screen-fade effects don't work for no reason other than Unit…
- SHADOW OF ABADDON - OUT OCTOBER 10TH - 1 October 2025
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 ruthless and with a far more aggressive move set than Clive, letting him parry and slash through hordes of enemies. Prepare to fight through a new set of open-space levels, with broader corridors filled with far more enemies than before. The gritty underbelly of Tokydon's streets await you...AND FOR THE LORE ENJOYERS... Discover the secrets of The Wolf and the true nature of Abaddon's criminal organisation in a plot that finally ties MORTALITY DECOMP. KILLERS directly into the events of BANE MURRAIN.OV…
- v1.4.2 - Extended Fixes - 16 September 2025
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 textBug Fixes: - Fixed bug where bullets stopped dealing damage to player - Fixed repeating slash animation bug when firing directly after a slash - Widened floor strip on Moving Saws to stop clipping textures - Fixed timer trigger collider for 'Club Moonshine', 'Sepulchre' & 'Ossuary Office' - Covered a clipping-through-wall saw with a box in 'Sepulchre'Tweaks & Changes:- Changed tutorial text to explain intentional reloading mechanics better - Text box is now transparent by like 10% ish - Text box no longer ha…
- V1.4.1 - Brief Patch - 29 August 2025
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
- v1.4 - Hard Mode & Extras - 25 August 2025
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 option - Added 'Hard Random' Campaign option - New achievement for Hard Mode completion - Level select has toggles to play in Hard Mode - Added Wishlist link for upcoming DLC - New unlockable Blue outfit for Clive (beat Hard Mode) - Added some Concept Art pieces for your viewing pleasureTweaks & Patches: - Various menus have been shifted / rescaled to fit DLC options and extras - Pressing Pause in the opening text crawl now skips to the tutorial - Bullet scales have been tweaked slightly - The start of…
- M.D.K DLC - COMING SOON - 21 August 2025
WISHLIST THE DLCTHE 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 ruthless and with a far more aggressive move set than Clive, letting him parry and slash through hordes of enemies. Prepare to fight through a new set of open-space levels, with broader corridors filled with far more enemies than before. The gritty underbelly of Tokydon's streets await you...AND FOR THE LORE ENJOYERS... Discover the secrets of The Wolf and the true nature of Abaddon's criminal organisation in a plot that finally ties MORTALITY DECOMP. KILLERS directly into the events of…
- Mortality Decomp. Killers is a free Post Void-like that scores you on how many doors you've "killed' - 9 July 2025
MDK was a 1997 shooter in which you played a pointy headed janitor named Kurt Hectic with a parachute suit and a gun for an arm, the best thing about it being its Giger-ish sniper mode interface . MDK is also Mortality Decomp. Killers - a sour lollipop puke hued Post Void -like with Hotline Miami 's lethality and a very good spinny knifey move. It's completely free on Steam , although you can pick up the soundtrack for a few quid if you fancy supporting it. After each level, your score breakdown includes how many doors you've "killed". Not since my beloved Mullet Mad Jack has a game facilitated such reckless hinge hatred. Read more