Not right now — Steam does not list The Kostka as free to play, and none of the stores we track sells it in your region.

Can I play The Kostka on Mac?

Not natively — Steam lists no macOS version of The Kostka. Mac players would need a cloud gaming service or a Windows compatibility layer.

Does The Kostka have co-op?

Yes — Steam lists The Kostka with split-screen co-op.

Is The Kostka on PC Game Pass?

No — The Kostka is not on PC Game Pass right now.

The Kostka

Nejcraft · Co-op, Puzzle, Side Scroller, Exploration, Puzzle Platformer

No store is selling The Kostka right now. We track it and will show a price as soon as one appears.

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Prices last checked 23 Sep 2026, 12:03 UTC

No store is currently selling The Kostka. It was developed by Nejcraft. We keep tracking it across every store we cover, so set an alert below and you will know the moment it is on sale again.

Screenshots

About The Kostka

✦ AI summary

The Kostka is a cooperative puzzle adventure where you control two characters of different sizes to overcome environmental challenges, with each using unique abilities like squeezing through tight spaces or moving heavy objects. Each world introduces fresh mechanics and obstacles—from icy slips to liquid manipulation—building toward increasingly tricky puzzles that work solo or with a friend.

The Kostka is a mind boggling explorative coop puzzle featuring two main characters who just wanna get to the end.

https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1627770/extras/about.png

Characters

When you are small some stuff might be completely out of reach, while being big might limit you in your movement. That's why we give you two, two completely independent characters.

Coop or Solo

While you could enjoy The Kostka all by yourself, you can as well give one of your controllers to your friend and enjoy The Kostka together.

Tricky Puzzles

Each world comes with new mechanic and each level tries to add something new to the mix. What's the next thing and will it ever end? Use each character's specialty like walking through small tunnels or pushing large boxes, slowly discovering dark world where electricity went missing, even out liquids or just make silly snake from boxes.

Many different worlds

Though your adventure you will come across many different hub worlds:

Grass - Well you have to get the basics somewhere :)
Lava - I wouldn't wanna get burned there to be fair...
Ice - Brrr, that seems cold and slippery.
Candyland - Hmmm so yummy you might also get stuck somewhere...
Fantasy - I feel dizzy...
Steampunk - Have you ever wondered how would moving a liquid using rusted pipes work? Me neither but here it is!
High-Tech - Robotization sometimes hurts.

Each hub world has many levels and at the end a a boss to test your qualities.

The Kostka — game info

Platforms: Windows, Linux / SteamOS
Player modes: Single-player, Co-op, Split screen
Controller: Full controller support
PC Game Pass: Not included

More games like this:Linux games Games with full controller support Split-screen games

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