Serious Sam: Siberian Mayhem is a new stand-alone expansion to the world of the classic FPS series. Join the fight against Notorious Mental on a journey through the wild lands of Russia, and find your way through this lost chapter of Sam Stone's adventures.
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No game lists Serious Sam: Siberian Mayhem as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Immerse yourself in a first-person shooter where Low-poly cartoonish visuals clash with a sinister, gloomy atmosphere. Armed with a massive arsenal of weapons, you’ll blast through hordes of Enemies, infiltrate a sinister lab, and fight your way to the escape point.
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Spacepunk Survival is a multiplayer, first-person shooter game where you must survive hordes of deadly aliens in a derelict space station, all of that with beautiful and dark retro aesthetics.
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FLESHCANCER is a Fast-paced Boomer Shooter with surreal environments and old-school violence. Fight cannibal cultists, terrorists, grotesque aberrations and more. MAKE IT RAIN FLESH, ORGANS, AND BLOOD LIKE NEVER BEFORE.
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Imagine you went to the crapper, and emerged an hour later to a monster apocalypse! Retro first-person shooter action inspired by 90's classics! Old-school deathmatch & co-op!
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Zugnaex is a very powerful demon. If you say its name correctly, every single little tiny syllable, you will summon the demon & bring forth the apocalypse. But Zugnaex has never faced a foe like you. Battle online with your friends to ultimately face the demon itself and decide the fate of humanity.
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Unit Zero is a first-person multiplayer shooter with realistic bodycam-style graphics made in Unreal Engine 5. Includes competitive and cooperative zombie modes. Investigate what went wrong in the secret operation that unleashed the nightmare.
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Team up with up to 8 players and take on endless waves of Nasty Zombies in a high-intensity, movement-focused boomer shooter. Use agility and smart positioning to survive semi-procedural maps and unlock permanent upgrades like Blessings, Miracles, Invocations, and cosmetics.
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Step into the definitive re-release of two dark spell-casting shooters that shaped the genre. This enhanced restoration makes Heretic™ + Hexen™ available to new audiences and long-time fans with expanded accessibility across more platforms and languages than ever before.
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Things are about to get… bloody! Soak up 42 pulse-pounding levels dripping with Lovecraftian atmosphere as you battle your way through armies of sycophantic cultists, zombies, gargoyles, hell hounds, and other insatiable horrors, in your quest to defeat the loathsome Tchernobog.
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Blast through a cursed nightmare solo or with up to 3 friends. A retro-inspired FPS where looter shooter weapons meets boomer shooter chaos and rogue-lite elements.
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