Games like Calcium Contract
If Calcium Contract is your kind of game, the closest matches are hate.net, AMID EVIL and MULLET MADJACK — picked from the ranked list below. Reviewers single out its atmospheric, challenging and dark. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Calcium Contract: Calcium Contract is a fast-paced first-person shooter where you're on a mission to finish a contract that got out of hand. Learn to swiftly move around your enemies and master your arsenal as you fight your way toward the grand finale. Includes a unique score-attack mode in ever-changing arenas.
Players who liked Calcium Contract also play
Steam players who put hours into Calcium Contract also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
hate.net
WHY THIS
Top pick for Calcium Contract fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Calcium Contract.
An abandoned arena shooter overtaken by bots. You are a mere passerby, a witness to a world that has long been lost to fake accounts and false advertisers. Thousands before you, and thousands after you.
AMID EVIL
WHY THIS
Shares an atmospheric mood with Calcium Contract.
Second-strongest match for Calcium Contract fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Calcium Contract.
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.
MULLET MADJACK
WHY THIS
Shares an intense mood with Calcium Contract.
Third-strongest match for Calcium Contract fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Calcium Contract.
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!
Ziggurat 2
WHY THIS
Shares a challenging mood with Calcium Contract.
Ranked #4 for Calcium Contract fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Calcium Contract.
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.
Fashion Police Squad
WHY THIS
Shares a challenging mood with Calcium Contract.
Ranked #5 for Calcium Contract fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Calcium Contract.
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!
Guns and Nuns: Storming Hell
WHY THIS
Shares weapon variety, wave based combat, arcade style and a hypnotic mood with Calcium Contract.
Ranked #6 for Calcium Contract fans by collaborative filtering across millions of Steam libraries. Shares Action with Calcium Contract.
Demons are not the danger, YOU ARE THE DANGER!!! play as Angelica Amadeus, a nun with the power of faith and guns. Slay demons at your heart's content on bizarre stages with strange gravity fields. Get highscores to unlock more stages and weapons and teach those filthy demons their place.
Rise of the Triad
WHY THIS
Shares a retro mood with Calcium Contract.
Ranked #7 for Calcium Contract fans by collaborative filtering across millions of Steam libraries. Shares Action with Calcium Contract.
Apogee Software and Interceptor Entertainment proudly present the rebirth of the cult-classic first-person shooter, “Rise of the Triad”. Bigger, better and more ludicrous than ever before.
Drunken Robot Pornography
WHY THIS
Shares an intense mood with Calcium Contract.
Ranked #8 for Calcium Contract fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Calcium Contract.
Bullet-hell, boss-battle, first-person shooter, with giant-robots, martinis and jetpacks. YES. Drink the cocktails. Fight the titans. Make your own Titans. Drink your friend's cocktails.
Reviewers mention these as similar to Calcium Contract
Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.
Redneck Rampage
WHY THIS
Shares a retro mood with Calcium Contract.
Reviewers of Calcium Contract cross-mention this title as a similar play. Shares Action with Calcium Contract.
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.
Hollow Knight
WHY THIS
Shares an atmospheric mood with Calcium Contract.
Reviewers of Calcium Contract cross-mention this title as a similar play. Shares Action and Indie with Calcium Contract.
Forge your own path in Hollow Knight! An epic action adventure through a vast ruined kingdom of insects and heroes. Explore twisting caverns, battle tainted creatures and befriend bizarre bugs, all in a classic, hand-drawn 2D style.
DOOM
WHY THIS
Shares an intense mood with Calcium Contract.
Reviewers of Calcium Contract cross-mention this title as a similar play. Shares Action with Calcium Contract.
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.
Earthworm Jim
WHY THIS
Shares a whimsical mood with Calcium Contract.
Reviewers of Calcium Contract cross-mention this title as a similar play. Shares Action with Calcium Contract.
Jim wasn't always a studly super-worm. He was once just a spineless, dirt-eater with no real mission in his life...
HROT
WHY THIS
Shares an atmospheric mood with Calcium Contract.
Reviewers of Calcium Contract cross-mention this title as a similar play. Shares Action and Indie with Calcium Contract.
HROT is a single-player retro FPS set in a small socialist country neighboring Soviet Union (Czechoslovakia) after an unspecified disaster in 1986. Those times were dark and terrifying and so is the game.
PO'ed: Definitive Edition
WHY THIS
Shares weapon variety, real time combat, arcade style and a retro mood with Calcium Contract.
Reviewers of Calcium Contract cross-mention this title as a similar play. Shares Action with Calcium Contract.
PO’ed is an adrenaline-pumping space shooter that features gameplay elements inspired by generational powerhouses DOOM and QUAKE. Play as a chef who crashlands on an alien planet infested with extraterrestrial foes. Using a menu of “household” weapons, PO’ed puts your wits and reflexes to the test.
HERETIC
WHY THIS
Reviewers of Calcium Contract cross-mention this title as a similar play. Shares Action and Indie with Calcium Contract.
Faith remains, even after the gods are dead. Branded a heretic, you must explore perilous sanctuaries to uncover a forgotten truth. Master ever-changing battles, craft powerful item and skill synergies, and overcome relentless foes in this dark fantasy roguelite action RPG.
Cheaper alternatives
Games in the same vein priced at least 40% below Calcium Contract at current Steam store prices.
Garry's Mod
WHY THIS
Priced ~50% under Calcium Contract on Steam right now. Shares Indie with Calcium Contract.
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Vampire Survivors
WHY THIS
Priced ~50% under Calcium Contract on Steam right now. Shares Action and Indie with Calcium Contract.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
Titanfall® 2
WHY THIS
Priced ~55% under Calcium Contract on Steam right now. Shares Action with Calcium Contract.
Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.
Cookie Clicker
WHY THIS
Priced ~50% under Calcium Contract on Steam right now. Shares Indie with Calcium Contract.
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
WEBFISHING
WHY THIS
Priced ~50% under Calcium Contract on Steam right now. Shares Indie with Calcium Contract.
WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)
POSTAL 2
WHY THIS
Priced ~90% under Calcium Contract on Steam right now. Shares Action and Indie with Calcium Contract.
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
Buckshot Roulette
WHY THIS
Priced ~70% under Calcium Contract on Steam right now. Shares Action and Indie with Calcium Contract.
Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!
Brotato
WHY THIS
Priced ~50% under Calcium Contract on Steam right now. Shares Action and Indie with Calcium Contract.
Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Calcium Contract.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
Bongo Cat
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Calcium Contract.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
ENA: Dream BBQ
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Calcium Contract.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
Indigo Park: Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Calcium Contract.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
STRAFTAT
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Calcium Contract.
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.
The Looker
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Calcium Contract.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
Counter-Strike:Global Offensive
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Calcium Contract.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
Narrow it down
Head-to-head comparisons
Frequently asked about Calcium Contract
- Is Calcium Contract verified for Steam Deck?
- Yes — Calcium Contract is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
- How much does Calcium Contract cost?
- Calcium Contract is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to Calcium Contract?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Calcium Contract are hate.net, AMID EVIL, MULLET MADJACK.
- Who developed Calcium Contract?
- Calcium Contract was developed by Igor Aleksandrowicz.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Calcium Contract.
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