Games Like Calcium Contract

Viscerafest is a Sci-Fi Fantasy Singleplayer Arena FPS with minor Collectathon elements. Fight through hordes of aliens and eldritch monstrosities wielding a slew of powerful weapons, juggling your resources, and exploring over 23 intricately designed hand-crafted levels.

Why similar: Boomer Shooter 34.2% ★, Arena Shooter 18.2%, FPS 11.3%, Shooter 9.8%, First-Person 6.7%

MULLET MADJACK is a HIGH-OCTANE-ACTION SHOOTER that put you directly inside a CLASSIC ANIME. Pick your favorite weapon and reach the last floor; Beat your best time or try again. Haste makes waste… OF YOUR ENEMIES!

Why similar: Boomer Shooter 36.3% ★, FPS 15.2%, Score Attack 10.2%, Shooter 8.6%, Stylized 6.2%

Wizordum is a retro FPS that puts you in the role of a Mage on a quest to track down the source of Chaos. With a wide arsenal of spells and magic items, battle your way through the world of Terrabruma in this unique blend of classic 90s shooters and modern gaming elements.

Why similar: Boomer Shooter 37.9% ★, FPS 15.2%, Shooter 9.4%, Old School 6.6%, Score Attack 5.9%

Diluvian Ultra is a single-player, first-person shooter focusing on a retro aesthetic and fast-paced, strategic combat. The game is set in its own expansive fictive universe. Rather than gritty or dark, Diluvian Ultra is colorful and fantastical, like the cover of pulp sci-fi novels of the past.

Why similar: Boomer Shooter 40.1% ★, FPS 16%, Score Attack 11.2%, Shooter 10.8%, First-Person 7.4%

Impaler Gold is a fast-paced minimalistic arena shooter - now expanded and improved. Summon spikes to slay monsters, build barriers, and propel yourself into the air. Challenge yourself in this highly replayable rogue-lite shooter inspired by the classics.

Why similar: Boomer Shooter 29.9% ★, Arena Shooter 19.2%, FPS 11.6%, Score Attack 10.2%, 1990's 10%

Post Void is a hypnotic scramble of early first-person shooter design that values speed above all else. Keep your head full and reach the end; Kill what you can to see it mend; Get the high score or try again.

Why similar: FPS 17.4%, Surreal 14.3%, Score Attack 11%, Procedural Generation 10.7%, Shooter 10%

KILLBUG is a fast-paced, first-person movement shooter set in an endless arena. Slash and shoot your way through hordes of ravenous insects, mastering fluid aerial movement mechanics as you fight for glory on the leaderboards.

Why similar: Arena Shooter 36.3%, FPS 20.5%, Shooter 13.2%, Boomer Shooter 9.2% ★, First-Person 8.2%

Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.

Why similar: Boomer Shooter 49.5% ★, FPS 14.7%, Shooter 7.2%, Old School 6.3%, Retro 5.2%

Mind the Abyss is a fast-paced movement shooter that combines fourth-dimensional abilities and ever-evolving weaponry within an alien planet.

Why similar: Boomer Shooter 31.5% ★, Arena Shooter 23.8%, FPS 12.3%, Surreal 8.4%, Shooter 7.3%

HYPER DEMON is an FPS like no other. a pearl of lightning. a dream from the future. a drop of poison. a swan song. The faster you slay demons, the harder the game and the higher your score. There is an end. Will it see you?

Why similar: Arena Shooter 33%, FPS 21.5%, Score Attack 16.4%, Surreal 12.1%, Shooter 9.3%

Captain Wayne is an intense, fast-action Retro Shooter about a sailor with a SHOTGUN for an ARM!! With a cartoony, hand-drawn art style and gory gameplay, you'll have to mow down enemies through 8 action-packed locales to take back what's yours. ARE YOU READY TO RAISE ANCHOR?

Why similar: Boomer Shooter 42% ★, FPS 15.7%, Shooter 10.8%, First-Person 7.5%, Funny 7.4%

Super Buff HD is a fast-paced skate-surf-FPS. Dash, bounce, grind, blast, shred, shoot, and soar through a fever dream world of unhinged weirdness. Defeat all the buff dudes. Get a high score. Be a winner. Home for dinner.

Why similar: Boomer Shooter 30.4% ★, Arena Shooter 20.4%, FPS 11.9%, Shooter 7.8%, 1990's 6.7%

Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.

Why similar: Boomer Shooter 38.4% ★, FPS 14.2%, Arena Shooter 11.4%, Shooter 8.1%, Old School 7.5%

Gravelord is a fast-paced boomer shooter voiced by a badass protagonist featuring hand-crafted levels filled with secrets and hordes of enemies to kill. Dish out some brutal carnage with powerful guns and collect Tarot Cards to gain even more killing power. Let's put the fun back in funeral!

Why similar: Boomer Shooter 36.2% ★, FPS 15.1%, Arena Shooter 11.2%, Shooter 8.9%, First-Person 6.6%

Kill to heal, and never stop moving in this retro-styled ADHD-fueled frantic fast-paced rogue-lite movement shooter. A short, yet intense multi-dimensional speedrun FPS experience for people with tiny attention spans. Do you have what it takes to subvert your infinite demise?

Why similar: Boomer Shooter 34.8% ★, Arena Shooter 19.9%, FPS 13.4%, Shooter 7.7%, Old School 5%

Anger Foot is a lightning fast action FPS where the only things harder than your ass kicking feet are the ass kicking beats.

Why similar: Boomer Shooter 40.8% ★, FPS 18.9%, Shooter 10.7%, First-Person 7.3%, Funny 5.1%

Force Reboot is a fast-paced FPS with rogue-lite elements. Force Reboot is entirely focused on nonstop gameplay. You need to get past all of the rooms as fast as you can.

Why similar: FPS 27.6%, Shooter 16.3%, Score Attack 14.3%, First-Person 11.8%, Retro 9.5%

Perilous Warp is a fast-paced indie retro-shooter inspired by the classic 3D-actions. Communication with a distant space colony has been lost, and you bravely step into the teleporter with the desire for glorious adventures. But do not expect to win in a heartbeat!

Why similar: Boomer Shooter 25.2% ★, FPS 20.8%, Action 10.9%, Old School 9.3%, Shooter 8.4%

Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.

Why similar: Boomer Shooter 44.1% ★, FPS 15.4%, 1990's 8.9%, Shooter 8.5%, Retro 6.6%

A fast-paced micro FPS in which The Chop Goblins are loose, chopping their way through time itself in their ravenous quest for cheese. And THE CHOP WILL NOT STOP.

Why similar: Boomer Shooter 34.5% ★, FPS 13.3%, Old School 9.1%, 1990's 8.1%, Shooter 7.8%

Fingerbang: All Bullets Pointin' is a fast-paced FPS inspired by both retro and modern FPS games. Fingerbang combines elements from each in order to create a mix of its own, with a scoring system added on top to gauge your performance through the different levels.

Why similar: Arena Shooter 25.3%, FPS 14.4%, Score Attack 13.4%, Shooter 11.4%, Surreal 6.1%

Join BRUTAL JOHN and BRUTAL DOG in a ultraviolent old-school FPS set in a world overrun by crypto-mining technologies, where it’s up to you to destroy them and reclaim control. Prepare for an adrenaline ride that pays homage to the best shooters of the '90s.

Why similar: Boomer Shooter 36.5% ★, Arena Shooter 16.1%, FPS 13.7%, Old School 9.3%, Shooter 8.9%

FISHGUN is a chaotic fish-person shooter where you feed your sentient gun random upgrades to defeat hordes of evil fruit.

Why similar: FPS 22.1%, Arena Shooter 21.6%, Surreal 18.8%, Shooter 14%, Funny 6.4%

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.

Why similar: Boomer Shooter 46.7% ★, FPS 15.1%, Old School 9.6%, Shooter 9.4%, First-Person 5.3%

Immortal Redneck is a FPS set in Egypt with rogue-lite elements. Frantic gameplay, twitch controls and an arcade-style feel meet randomly generated dungeons, a complete skill tree, permanent death and 9 classes with different traits.

Why similar: Boomer Shooter 43.9% ★, FPS 17.2%, Procedural Generation 13.9%, Arena Shooter 8.1%, Shooter 5.6%

ULTRAKILL is a fast-paced ultra-violent retro FPS that combines the skill-based style scoring of character action games with the unadulterated carnage inspired by the best shooters of the '90s. Rip apart your foes with varied destructive weaponry and shower in their blood to regain your health.

Why similar: Boomer Shooter 37.3% ★, Arena Shooter 19.5%, FPS 15.2%, Score Attack 5.9%, Shooter 5.8%

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.

Why similar: Boomer Shooter 52.7% ★, FPS 20%, Retro 8.3%, Shooter 7.7%, Arena Shooter 4.4%

Shoot first, eat cheese later! Jump into a fast, frenetic and exciting one-hit, one-kill FPS arena shooter with a totally level playing field, tonnes of maps, customisation and a robust map editor!

Why similar: Arena Shooter 28.6%, FPS 17.4%, Shooter 11.8%, Funny 9.1%, Stylized 8.4%

Bloodshed is a Roguelite Survivors FPS; an exhilarating fusion of Roguelite elements merged with retro-styled visuals and first-person “Survivors-like” frenetic combat action!

Why similar: Boomer Shooter 27.1% ★, Arena Shooter 17.1%, FPS 10.9%, Score Attack 10.4%, 1990's 8%

Ziggurat is back, and now it's even better! Use powerful weapons and spells to break through hordes of enemies and explore labyrinthine dungeons in this hectic roguelite FPS, while you improve your skills and discover new equipment.

Why similar: Boomer Shooter 30.3% ★, Arena Shooter 19.2%, FPS 12.9%, Shooter 8.7%, Procedural Generation 6.5%

Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!

Why similar: Boomer Shooter 25.1% ★, Arena Shooter 18.2%, FPS 13%, Shooter 8.1%, 1990's 7.4%

Go on a rampage in this endless arcade Boomer-Shooter! Gain the weirdest weapons and destroy all the monsters in the never-ending temple of GRUEL!

Why similar: Boomer Shooter 41.3% ★, Arena Shooter 14.5%, FPS 12.6%, Shooter 7.5%, Retro 6%

Single-player arena shooter. Weird weapons. Relentless robots. Easy to play, hard to score. Enter the chaos, shoot the bots, and compete in the Monthly Challenge.

Why similar: Boomer Shooter 32.2% ★, Arena Shooter 22.8%, FPS 15.1%, Shooter 10.3%, Score Attack 7.2%

You have only 5 minutes to stylishly explode your way through the hordes of corrupted entities in a retro FPS, roguelike liminal-nightmare... and Timmee is here to help!

Why similar: Boomer Shooter 34.6% ★, Arena Shooter 23%, FPS 13.6%, Shooter 9.1%, Retro 6.3%

Oldschool FPS. Hardcore classic gameplay action. Huge hordes of monsters. Blood. Horror. Fun. Each level is unique and not similar to the previous. You need to survive in this dangerous world and become the best evil shooter.

Why similar: Boomer Shooter 31.5% ★, Arena Shooter 21.3%, FPS 12.2%, Shooter 8.5%, 1990's 7.4%

Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.

Why similar: Boomer Shooter 42% ★, FPS 15.5%, Arena Shooter 10.8%, Retro 6.8%, Old School 6.6%

Chaotic Conflicts is a casual and chaotic fast-paced Online FPS game. In this chaotic shooter you'll try to shoot your way to the top of the scoreboard while competing with other players and random events.

Why similar: FPS 23.6%, Shooter 17.5%, Funny 9.9%, First-Person 9.7%, Stylized 9.5%

Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!

Why similar: Boomer Shooter 45.4% ★, FPS 19.4%, Arena Shooter 11.4%, Shooter 9.9%, Retro 5%

Enter Bone Dust, an adrenaline-fueled arena shooter with bullet hell dynamics. Engage in swift, arcade-inspired gameplay, and face off against terrifying adversaries using your magical deck of cards. Prove your mettle and climb to the top of the global leaderboard!

Why similar: Arena Shooter 30.8%, Score Attack 17.5%, Shooter 12.4%, FPS 11.3%, Old School 9.6%

Harness the power of a mystical boomerang to fling yourself through the air in this acrobatic arena shooter. Slice, fly, and blast through swarms of evil creatures on an abandoned island with a cryptic past. Stay agile or meet your doom.

Why similar: Arena Shooter 35.5%, FPS 14.8%, Stylized 9.8%, First-Person 9.5%, Boomer Shooter 8.6% ★

Dread Templar is a fast-paced hardcore old-school FPS, combining classic 90s shooter and modern FPS elements. Unlock and combine dozens of weapon upgrades and skills, embrace the Dread Force and obliterate hordes of fiendish enemies. Become the scariest thing in hell and get your revenge!

Why similar: Boomer Shooter 42.5% ★, FPS 13.2%, 1990's 9.1%, Shooter 8.2%, Old School 7.9%

Eliminate hordes of monsters in a thrilling first person shooter - ILLWILL.

Why similar: Boomer Shooter 33.7% ★, FPS 12.9%, Surreal 10.2%, 1990's 9.2%, Shooter 8.6%

Even at this moment, our fashionable city is under assault. Baggy pants, dull suits, sightings of socks with sandals. A message needs to be sent, and it needs to be sent in style... Time to serve some good ol' Fashion Justice!

Why similar: Boomer Shooter 31.1% ★, Arena Shooter 18.8%, FPS 11.8%, Shooter 7.6%, Old School 6.4%

Welcome to Volume I of a high adrenaline, fast-paced Boomer Shooter where you have only one goal: spread furious mayhem among the scumbags keeping you locked up. Stuck looking for an exit? Just punch through walls and then shoot the suckers behind them.

Why similar: Boomer Shooter 20.3% ★, Arena Shooter 20.3%, FPS 12.8%, Shooter 8.8%, Stylized 7.5%

SPRAWL is a hardcore retro FPS set in an endless cyberpunk megalopolis. Escape the walled city and take on the militarized government of the sprawl. Fueled by the blood of your enemies and a mysterious voice in your head, make your way towards the spire to topple whatever lays within.

Why similar: Boomer Shooter 32.6% ★, Arena Shooter 20.3%, FPS 14%, Shooter 9.6%, Old School 9.6%

Every character plays like an entirely different action game in Contract Rush DX. Explore a world inspired by 2000's flash animation, collect powerful upgrades throughout levels, and unleash them to defeat difficult boss battles!

Why similar: Shooter 35.8%, Funny 26%, Old School 21.8%, Action 14.2%, Singleplayer 2.2%

Animalistic is a fast-paced, ultraviolent, and stylish indie FPS game where you brutally clear room after room of creepy humanoid animals. Featuring a story-mode and endless wave mode!

Why similar: Arena Shooter 28.9%, FPS 18%, Surreal 15.6%, Shooter 10.6%, First-Person 7.2%

You are a goblin gladiator in this mini-FPS roguelite. Fight your way through the Arenas. Wreck junkbots. Delight the crowd. Get paid. Cause chaos.

Why similar: Boomer Shooter 26.5% ★, Arena Shooter 23.4%, FPS 15.4%, Procedural Generation 8.6%, Shooter 7.9%

REAVER is an ultra-fast-paced FPS that endows you with the mobility and weapon mechanics to reave through arenas of killer machines with grace and efficiency. Push the boundaries of speed and style in this next-gen movement-shooter.

Why similar: Arena Shooter 27.7%, Boomer Shooter 24.6% ★, FPS 15.3%, Shooter 8.8%, Stylized 8.3%

Holy Shoot is a fast-paced roguelite action FPS set in a satirical version of Hell, packed with chaos, blessed heroes, and demonic bosses. Pick your hero, dive into hell, upgrade your build, and shoot your way through sin.

Why similar: Boomer Shooter 25.8% ★, FPS 25.4%, Shooter 15.7%, Stylized 8.4%, Fantasy 6.5%

A silky smooth Arena First Person Shooter with a prime focus on game-feel. Massacre waves of sentient metallic geometry and their monster compatriots as you fight for your Hi-Score! Designed to be the ultimate 'warm-up' or 'waiting-for-download' game!

Why similar: Arena Shooter 30%, FPS 18.6%, Shooter 11.6%, 1990's 9.4%, Old School 7.7%

Why play this? You could read, run, or stare at a wall. But if you do, expect fast and unpredictable retro FPS action.

Why similar: Boomer Shooter 40.2% ★, FPS 18.8%, Funny 9.4%, Shooter 8.3%, Retro 5.7%

Unleash your inner bear in this over-the-top bullet-hell FPS! Embark on a zany retro-futuristic adventure and destroy oil-thirsty robots with an outrageous arsenal. Transform into a bear, wield unique powers, and embrace the absurd fast-paced action of Bears in Space!

Why similar: Boomer Shooter 37.9% ★, FPS 17.2%, Shooter 10.9%, Funny 9.5%, First-Person 7%

Adrenaline-pumping gore retro funhouse that’s full of guns, magic, demons, vertical arenas, 3D visuals, 2D sprites, and heavy metal music. Inspired by FPS classics like Quake and Doom 64, Project Warlock II is the explosive boomer shooter sequel you were too shy to ask for.

Why similar: Boomer Shooter 35.5% ★, Arena Shooter 14.1%, FPS 9.8%, Shooter 8.4%, Old School 8.1%

Swarmlake is an ultra-intense first-person shooter ballet about fighting a record-breaking swarm.

Why similar: Arena Shooter 26.8%, Boomer Shooter 17.3% ★, Score Attack 15%, FPS 14.9%, First-Person 6.8%

Relow is a very fast-paced first-person shooter where you compete using weird weapons and lethal side-arms in a procedural environment

Why similar: Arena Shooter 31.9%, FPS 27%, Shooter 19.3%, Action 13.8%, Indie 8%

A retro FPS for the ages! Once branded a HERETIC. Now YOU have been chosen as our champion! Reclaim our sacred weapons. Take back our ancient lands. If you can stand... AMID EVIL.

Why similar: Boomer Shooter 25.1% ★, Arena Shooter 16.3%, Surreal 10.6%, FPS 9.9%, Old School 7.3%

STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

Why similar: Arena Shooter 25.9%, FPS 18%, Boomer Shooter 17% ★, Shooter 12.3%, 1990's 8.8%

A SHORT and sweet pixelated low fidelity 90s throwback hyper-fast action shooter. Survive and fight through a city overrun with manufactured monstrosities, biomass horrors, and a military authority trying to purge everything living. Heavy metal / techno soundtrack featuring BOD Music

Why similar: FPS 24.8%, Boomer Shooter 23.6% ★, Shooter 15.1%, Old School 9.7%, Stylized 8.4%

Owinka Shooter throws you into an action packed mad-dash through an evil facility. Get ready to fight for your escape!

Why similar: FPS 35.7%, Shooter 26.9%, Action 14.7%, First-Person 10.5%, 3D 7.9%