Top similar games like The KillBox: Aquarius:

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.

You are Wendigo. A hard-hearted contract killer tasked with annihilating a fanatical cult. With your trusted arsenal at the ready, experience what has been called "The most violent game in VR". EARLY ACCESS includes RAID, ARENA and SANDBOX modes with a story campaign and much more on the way.

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.

An intense first person shooter that delivers a twisted and gripping narrative of tragedy, modern crime drama, and supernatural horror.

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

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.

One of the most critically-acclaimed games in history, Call of Duty: Modern Warfare is back, remastered in true high-definition, featuring improved textures, physically based rendering, high-dynamic range lighting and much more.

Insurgency: Sandstorm is a team-based, tactical FPS based on lethal close quarters combat and objective-oriented multiplayer gameplay. Experience the intensity of modern combat where skill is rewarded, and teamwork wins the fight.

Painkiller Black Edition includes the expansion pack Battle Out of Hell, featuring 10 additional single-player levels and many new villains.

Black Squad is a free-to-play military first-person-shooter. Players can master their skills and show off their strategies with a wide range of game maps, modes, and weapons to choose from. Join thousands of FPS players worldwide in one of the most played games on Steam!

Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.

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.

FFA is a violent fps video game about a retired super soldier who goes on a rampage, purging the current government because they unjustly killed his family in front of him.

Assume the role of Special Forces Sgt. Becket as your routine mission quickly turns into a fight for survival against the wrath of Alma Wade. As Alma's terrifying power surges out of control, your squad is forced to battle through an apocalyptic landscape in search of clues for how to destroy her!

The Cleaner is a hardcore die 'n' retry inspired by John Wick, Hotline Miami and SuperHot. You control a highly-trained " cleaner " with a unique power. No cliché storyline, no cutscenes, start the game and play.

Introducing the Master Levels for DOOM II. Twenty never-before-seen levels all with the same acid drenched, hell spawned horror of the originals. Each was created by independent designers and supervised by the demented minds of id Software. You might as well forget about seeing the light of day ever again.

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.

The greatest warriors of all time and space have been summoned to battle for the amusement of an ancient alien race. Wield a variety of guns and power-ups as you fight for glory against ruthless combatants in this fast-paced single-player and multiplayer FPS.

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.

Serious Sam 4 reignites the classic FPS series in a high-powered prequel loaded with an explosive arsenal, intergalactic carnage, and perfectly timed one-liners.

The definitive version of the cult classic shooter, Shadow Warrior Classic Redux features remastered visuals and two massive expansion packs. Corporations rule every facet of life in a near-future Japan and employ Shadow Warriors, one-man armies of unparalleled skill, to protect their power and forcefully remove all opposition.

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!

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

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.

From the creators of Project Absentia, Saccharine is a tasty FPS throwback of the violent sort to Christmas specials of days gone by. Play as Sanya Vaffelzscki as she kicks terrorist ass and tries to visit her friends out west.

The fate of the world is in your hands. New and old enemies threaten the peace you worked so hard to achieve 24 years ago. Your search for the Alpha Ceph continues, but this time you'll also need to expose the truth behind the C.E.L.L. corporation.

You are a Paranormal Researcher who is accidentally trapped in a village near the foothills of the Himalayas along with his colleague. You have to make a safe escape, try finding some help in the mysterious place. Good Luck.

STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 300 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

In this game you have to fight your way through hordes of zombies in search of a safe place.

Death is only the beginning. Crawl from your grave and gear up to fight your way through the ranks of a mysterious and twisted cult. You, your guns, and your dynamite will have to shoot, slide, blast, duck, dodge, and maybe throw a gib or two to survive in this old-school-inspired shooter.

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.

Join private investigator Jack Pepper on a guns blazing, jazz-fueled adventure in MOUSE: P.I. For Hire. MOUSE combines the charm of hand-drawn rubber hose animation inspired by the classic cartoons of the 1930’s with the adrenaline and action of an explosive first person shooter.