Games like Serious Sam: Siberian Mayhem on Steam
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CROSSBOW: Bloodnight
CROSSBOW: Bloodnight is a frantic score-attack arena shooter set in a world of camp horror and gore. Master the occult powers of your automatic crossbow and fight for every second of survival against a relentless demonic horde! Hunt. Die. Hunt again.
Doorways: The Underworld
Doorways: The Underworld is an immersive horror adventure, featuring a complex story and deep atmosphere.
RoboCop: Rogue City
Become the legendary part man, part machine, all cop hero and deliver justice in Old Detroit.
Quake II
You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.
Project Crypt
Project Crypt: The horror adventure about escaping a city overrun by monsters.
Bet On Soldier
Delve into a world where war has become a media frenzy! Survive your battles and bet on your victories!
Prodeus
Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.
Shooty Shooty Robot Invasion
An absurdist FPS/interactive fiction game where you murder stupid robots, chat with idiot people, and explore a painstakingly hand-drawn and highly animated world!
Ad Infinitum
When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?
Half-Life Deathmatch: Source
Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played maps, now running on the Source engine.
Quake 4
As part of the elite Rhino Squad, you must spearhead Earth’s military invasion of a hostile alien homeworld. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.
Gemini: Heroes Reborn
Gemini: Heroes Reborn is a first person action-adventure that allows users to enter into the role of Cassandra, on a journey to unlock incredible powers, unique in the Heroes Universe.
Apsulov: End of Gods
In this future viking horror you awake in a sanctuary of steel and concrete, built to research and exploit the worlds of Yggdrasil, and to house an artifact, buried in the earth aeons ago.First person with a futuristic Norse mythology story. Horror adventure in the realms of Yggdrasil.
Disney's Chicken Little
Based on Walt Disney’s feature 3D animation film Chicken Little, Chicken Little the action-packed video game catapults you into the hair-raising adventures of the movie and beyond.
Far Cry® 2
You are a gun for hire, trapped in a war-torn African state, stricken with malaria and forced to make deals with corrupt warlords on both sides of the conflict in order to make this country your home. You must identify and exploit your enemies' weaknesses, neutralizing their superior numbers and firepower with surprise, subversion,...
Chicken Feet
Chicken Feet is a first person survival-stealth horror game about a giant, angry chicken. Descend into the depths of GOOBER laboratories and uncover the horrors that lie beneath the lab's shiny façade.
Depths of Fear :: Knossos
Depths of Fear :: Knossos, a Greek-themed, 1st Person, Roguelike stealthy action-adventure where you play as Theseus out to kill the rampaging horror the Minotaur. Succeed in the beast’s slaughter or learn the meaning of fear trying. You will run. You will hide. You will fight. You will die.
System Shock
A first-person fight to the death in the depths of space!
The Hat Man: Shadow Ward
Based on a true story, discover the horror of the Canton insane asylum as you attempt to rescue your daughter. Experience the scariest game of 2014.