Rank 01Games like Calcium Contract
- 27 games
- Updated Nov 5, 2026
Players who liked Calcium Contract also play
The closest matches to Calcium Contract: Zortch, MeowGun: Hell Denizen, HELLBREAK, Guns and Nuns: Storming Hell, and ODDCORE. Ranked by imho.run from Steam co-play data, shared tags and reviews.
- Rank 01
Rank 02Why this
Shares weapon variety and wave based combat with Calcium Contract.
- $9.09 (Price checked Oct 31)
- 2026
Rank 03
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WRATH: Aeon of Ruin
Why this: Shares weapon variety with Calcium Contract.
Rank 07 
Herald of Havoc
Why this: Same retro mood as Calcium Contract.
Rank 08 
The full ranked list: top 24 games like Calcium Contract
Best match first, as plain text. The same list for AI assistants:
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- 2MeowGun: Hell Denizen
Shares weapon variety and wave based combat with Calcium Contract.
- 99% of 81 reviews
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- 19Tower of Guns
Also Boomer Shooter and Procedural Generation, like Calcium Contract.
- 87% of 447 reviews
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- Released: 2023
- Developer: Igor Aleksandrowicz
- Price: $9.99checked Nov 5
- Steam Deck: Deck Verified
- 93% of 110 reviews
- Genres: Action, Indie
- Platforms: Windows
Players highlight
- Claymation art style stands out in the genre
- Cute animal enemies with deadly weapons sniper cats rooster bombers
- Endless harvest wave mode with procedurally changing levels
- Atmospheric
- Challenging
- Dark
More games like Calcium Contract, sliced differently
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: Same retro mood as Calcium Contract.
DOOM
Why this: Same intense mood as Calcium Contract.
HROT
Why this: Same atmospheric mood as Calcium Contract.
PO'ed: Definitive Edition
Why this: Shares weapon variety and real time combat with Calcium Contract.
Cheaper alternatives
Games in the same vein priced at least 40% below Calcium Contract at current Steam store prices.
Fashion Police Squad
Why this: Also Boomer Shooter and Arena Shooter, like Calcium Contract.
DEAD TRASH
Why this: Shares weapon variety and real time combat with Calcium Contract.
FREAKHUNTER
Why this: Shares wave based combat and real time combat with Calcium Contract.
REVEREND
Why this: Shares real time combat with Calcium Contract.
Free alternatives
Free games the recommender matches to Calcium Contract, limited to titles with at least 500 Steam reviews and 80% positive.
STRAFTAT
Why this: Shares weapon variety and real time combat with Calcium Contract.
I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1
Why this: Also Arena Shooter and Surreal, like Calcium Contract.
Disfigure
Why this: Also Arena Shooter and Score Attack, like Calcium Contract.
Plays great on Steam Deck
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.
HELLBREAK
Why this: Shares weapon variety and wave based combat with Calcium Contract.
ODDCORE
Why this: Shares weapon variety and real time combat with Calcium Contract.
WRATH: Aeon of Ruin
Why this: Shares weapon variety with Calcium Contract.
AMID EVIL
Why this: Also Boomer Shooter and Arena Shooter, like Calcium Contract.
About Calcium Contract
The closest matches to Calcium Contract: Zortch, MeowGun: Hell Denizen, HELLBREAK, Guns and Nuns: Storming Hell, and ODDCORE. Ranked by imho.run from Steam co-play data, shared tags and reviews.
If Calcium Contract is your kind of game, the closest matches are Zortch, MeowGun: Hell Denizen and HELLBREAK — picked from the ranked list below. Reviewers describe it as atmospheric, challenging and dark, and single out its infinite ammo weapons and pistol start levels. 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.
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.
Is Calcium Contract worth buying?
Players recommend it
A summary of what players say, not a promise you'll like it. Every signal is listed below.
- 93% of 110 Steam reviews are positive.
- We don't track this game's daily reviews yet, so this is the all-time picture.
- Price: $9.99 (checked Nov 7).
- People who recommend it had played a median of 4 h when they wrote their review.
- Steam Deck Verified.
What fans praise · Themes mined from positive reviews
- Claymation art style stands out in the genre
- Cute animal enemies with deadly weapons sniper cats rooster bombers
- Endless harvest wave mode with procedurally changing levels
- Levels loop creatively with key gated progression
Top critical reviews
The most up-voted negative English reviews in our sample, quoted as written.
“Another case in which reviews would benefit from a "Maybe" button: Calcium Contract is a competent Doom mod, sure, but when you price yourself on par with Hollow Knight "competent" isn't enough. There's interesting ideas in there, but they…”
“I would pick mixed if I could. I got it on sale, but it's not worth full price. Neat game, but repetitive with the limited weapon and enemies. It's basically doom swap outs with a cool art style. I'll finish it eventually”
People who play it also play: Zortch, MeowGun: Hell Denizen, HELLBREAK
Frequently asked about Calcium Contract
Can I run it?
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 Zortch, MeowGun: Hell Denizen, HELLBREAK.
Who developed Calcium Contract?
Calcium Contract was developed by Igor Aleksandrowicz.