Games like SCP: Ground Zero on Steam
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Space Between Worlds
Did you ever pay attention to the importance of space? Space Between Worlds is a short puzzle game that expresses the concept of proximity and lets the player interpret the context and arc of the story.
Dead Effect
Fight for your life in the INDIE SCI-FI FPS game fit for both casual and hard-core gamers with a passion for hunting down hordes of zombies. Prepare yourselves for the incoming nightmare!
Ancient Warfare 3
Dive into a sandbox full of action and customization! Choose from different game modes like deathmatch, conquest, king of the hill, zombie survival and many more. Create your own scenarios and content in the easy to use in-game editors or use one of the 50k+ workshop items from other players...
Deuterium Wars
Deuterium Wars is a rapid 2D shooter. Create your own aircraft and plunge into heated battle with other players. What awaits you: an extensive role-playing system, craft, trading, and much more on a single server for all platforms.
Combat Arms: the Classic
Combat Arms: the Classic is a multiplayer game, free-to-play modern first-person shooter. The game is a relaunch of Combat Arms in its glory days delivering gamers a nostalgic high-quality FPS with an extensive arsenal of weapons.
Killing Room
Rogue-like FPS with strong RPG elements set in a 22nd century reality-show parody. Win a fortune or die, but never disappoint your audience. And audience is virtual or real with revolutionary but optional features for streamers and their fans.
Voxel Turf
Voxel Turf is a block based urban sandbox. Build cities, blow up buildings, complete missions or fight for territory. Build a real estate empire, or perhaps just drive around and blow stuff up. Its your choice!
Antimatter Dimensions
Earn antimatter through dimensions! Gain Infinite antimatter to collapse the universe!
Time Rifters
Be your own teammates in this unique single-player co-op shooter!
Don't Bite Me Bro! +
Don't Bite Me Bro! is a 1-4 Player Couch Co-op open-world zombie apocalypse game. Explore the world for resources, find and save survivors throughout the world, each which become playable characters with unique traits and abilities.
Battle for Wesnoth
The Battle for Wesnoth is an open source, turn-based strategy game with a high fantasy theme. Explore the four corners of Irdya in seventeen solo campaigns and dozens of multiplayer maps, taking part in countless adventures as you go.
Space Beast Terror Fright
S.B.T.F. is a very hard arcade-style / rogue-like / perma-death first person shooter. You play as Marines who must brave dark, claustrophobic and terrifyingly intense Space Beast infested spacecraft in order to extract critical data and lucrative upgrades. Can you make it out alive?
Perceptions of the Dead
Follow three stories set in a world where the dead linger, and things far worse wait beyond the veil.
Dystopia
Dystopia is a cyberpunk game with tense combat situations in a high-tech world spanned by computer networks. Playing as either Punk mercenaries, or Corporate security forces, the player will fight through the physical world to gain access, via jack-in terminals, to cyberspace.
Total Tank Simulator
Commander in the ranks. Soldier at heart. Choose a faction and deploy and command your army into massive physics-driven WWII battles to the last man standing. Destroy everything on sight with an insane amount of units that will behave tactically.
Zombidle : REMONSTERED
Like the song says, good guys finish last, and in this case, they also finish homeless and on fire. Welcome to Zombidle, Berzerk Studio's newest idle game, or tap game; whatever, you do you, man.
Unstoppable Gorg
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
Space Pirates And Zombies 2
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.
HighFleet
Battle for survival in the skies of a mysterious future Earth in this unique action-strategy game mixing arcade combat, exploration, management and diplomacy. As giant flying ships wage spectacular aerial warfare, a prophecy tells of one who will save the world – could it be you?
CRYPTARK
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
Pixel Puzzles Traditional Jigsaw Puzzles
Pixel Puzzles, your number one place for digital jigsaws.
HordeZ
If you are looking for a on-rails arcade experience that blends between classics like Doom, Left 4 dead and House of the Dead then we got you covered! Fast and simple gameplay that will bring you into a creepy world of zombies and demons. Show your skills to the world through our global leadboard system!
My Friend is a Raven
You return to your old apartment one last time, in search of a sickened raven. You must speak to him, and discover the cause behind the calamity that has spread across the world.