Top similar games like Testbed Terror:

High Hell is a neon-soaked, arcade-action first-person shooter from Terri Vellmann (Heavy Bullets) and Doseone (Enter the Gungeon, Gang Beasts).

Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!

Become a Hired Gun. The money’s good, the dog’s loyal, and the gun’s reliable. Embark on a fast-paced, violent, and thrilling FPS set in the darkest reaches of Warhammer 40,000’s most infamous hive city.

Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!

Sniper Fury is an action-sharpshooting game set in a world threatened by violence. Neutralize threats using an ever-growing arsenal of modern firepower. Customize everything: weapons, gear sets, bullets! Join other snipers in Clan Wars, challenge them in PvP mode, & try events for extra surprises.

Step into the boots of Grayson Hunt after a crash landing on an old resort planet forces him to make a hard choice: survival or revenge. Execute masterful kills with Bulletstorm: Full Clip Edition’s unique combat system that rewards you for performing the most creative and deadly kills imaginable.

Experience a unique flow that echoes the early icons of the shooter genre. Captivated by grotesque atmosphere, driven by ever-growing numbers – you plunge into portals, eliminate aliens, collect loot and gather experience. At a pace you set yourself.

A loud, dirty-minded anime arena shooter. Pick a girl, dress her up, and fight across five maps in Team Deathmatch, Free for All and Capture Points, online with friends through Steam or against bots. Twelve ridiculous kill streaks. Every character is a fictional adult.

A fast, focused retro FPS. Fight through 30 missions with tight gunplay, no filler, and a grim story you can choose to follow or ignore. No upgrades. No distractions. Just a weapon, a target, and the consequences that follow.

Days of War is an online FPS that re-imagines the team-based, close quarters, nonstop action of classic World War II multiplayer shooters.

Wrack is all about action - spectacular action! The addictive kill chain system encourages you to mow down as many enemies in a short period of time as possible. No hiding - keep your chain going by getting out there and kicking some alien ass!

You Have A Delivery is a stylized, fast-paced FPS action game, inspired by action-comedy films. Take down the mafia in one night: rip apart your enemies, unlock guns and perks, and deliver unstoppable chaos. You're the only one who can pull it off. Can you deliver it?

An action packed sci fi FPS set aboard a massive spaceship, where reversing gravity changes the way you fight and the environment helps you eliminate enemies.

Survival Horror set on a sinister island. As a lone forest keeper, you'll unravel its grim secrets from the eerie backstory of a royal vacation home turned nightmare. Journey through the changing seasons, from day to night. Confront nightmarish abominations that emerge in the winter cold.

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.

Tired of playing fancy games that have lost all their mystery? Looking for something different? Look no further. Bordermind is a retro horror-themed FPS with a PSX/PS1 aesthetic. It takes the player into an intermediary world between the material and the spiritual.

Fred Fuches Around is an FPS game where a guy named Fred and (almost) all of his immediate family was killed inside of his home and now the ones who fuched around will find out.

A loud, dumb, fast shooter. Troops raid an island full of shady old billionaires, blow up their temple and haul them to a prison boat in their bathrobes. Buy your guns, buy your strikes, call in a pufferfish. The lead mode is Capture the Pedo. Fictional rich guys, all adults, all satire.

Sword With Sauce is a fast-paced stealth-action game where you pick weapons, gadgets, and a playstyle to eliminate enemies. Go in loud or stay unseen—it's your choice.

Maze slaughter is a fast paced, rogue-lite first person shooter in a maze with piling bodies. It's like running man, in an american gladiator arena setting. Loud, gory and funny.

The Rock Map Pack is Now Available! Join the Resistance, stand united and fight for freedom against an overwhelming military force.

Nostalgic multiplayer fps game you used to play in the 2010s! Play online with bots or online with friends, collect weapons, and get the best score! Feel the energy of the fast-paced gameplay, huge amount of maps and items and become legend!

BLOCKADE War Stories .VR takes you to various moments of the Great Patriotic War, now with full immersion in virtual reality. Take part in the defense of Moscow, fight in the ruins of Stalingrad, carry out sabotage behind enemy lines and complete the path to Victory in Berlin.

You wake up and find yourself in the midst of a psychotic infestation, and gotta find a way out and avoid being chewed up into a red paste...

LOEK is a FPS where the goal is to shoot farm animals with a rocket launcher.

1-16 Player COMBAT ZONE & 1-4 Player COOP Zombie Wave Survival in Comic style. Singleplayer and Multiplayer Playthrough. Get ready for GUNWATCH: Conflict Survival!

Insurgency: Sandstorm is a hardcore tactical FPS built on lethal close-quarters combat and ruthless intensity. Every bullet count, every step matters, and teamwork is your only path to survival in the brutality of modern warfare.

A fast, lethal first-person action thriller in a world of muted neon. Shoot, slash, and fight through tight interiors as enemies react to sight and sound. Follow a trail of clues through a revenge mystery shaped by chronic pain and fractured memories.

Kids, play Noob Squad and begin now to enter the ranks of the losers... the only important thing is to play and have fun!!! Yeeeeeeeeeeeeee!!!!11111ONE!!111

Well, we crash-landed that UFO in the desert and Bubba says he wants to go home. Heck, I don't blame him 'cause there ain't no place like Hickston. But according to my map, we're gonna have to blast our way through jack o' lope farms and a riverboat as well as a brothel 'fore we get home again.

In this round based shooter you must survive waves of zombies as you navigate the environment locating the power, perks, and discoveries someone is trying to cover up. In the multiple maps the game brings you can travel through time and unravel how deep the experiments of zombies goes.

Hold Fort Resolute against alien assaults, or defend NORA's 15-minute code download inside the Cincture. A military sci-fi survival FPS with two AI squadmates, physical weapon racks, tactical movement and escalating enemy pressure.

BF:RI is a military tactical shooter and a work of historical fiction set in war-torn Burkina Faso. You are a CIA SAC Tier 1 operator, assigned to Operation Sahel Dominion, a covert manhunt targeting the Leader of the Sahel Caliphate responsible for an act of terrorism on American soil.

Play with your team and do your best!