Does KallaX have PvP?

Steam's store page doesn't flag a PvP category, but KallaX is tagged Team-Based — it's player-versus-player.

Do we both need to own KallaX to play together?

Yes. KallaX is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.

How many people play KallaX?

Player counts were not available when this page was built.

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Sandbox & building › Physics sandbox

Is KallaX multiplayer or co-op?

Yes — co-op and PvP. KallaX is a physics sandbox game released in 2023, 86% positive on Steam (320 reviews). $9.99 on Steam.

Co-opSandbox & building · Physics sandbox

Kallax is a chaotic furniture-building 2 to 6 players co-op game in which only one player can read the…

How KallaX plays with friends, according to Steam

Online co-op: Yes
Local / split-screen co-op: Not listed on Steam
Online PvP: Not listed on Steam
LAN play: Not listed on Steam
Controller: Full controller support

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

Steam tags: Casual, Online Co-Op, Team-Based, Puzzle, Physics, 3D, Character Customization, Moddable

Do you and a friend both own KallaX?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether KallaX is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Or open the Steam store page.

Games like KallaX you can play together

Garry's Mod

Physics sandbox · 97% positive on Steam (1,159,707 reviews) · 18,400 playing right now

Teardown

Physics sandbox · 96% positive on Steam (109,462 reviews) · 1,984 playing right now

Human Fall Flat

Physics sandbox · 95% positive on Steam (213,640 reviews) · 950 playing right now

Totally Accurate Battle Simulator

Physics sandbox · 98% positive on Steam (135,943 reviews) · 1,299 playing right now

Brick Rigs

Physics sandbox · 95% positive on Steam (50,122 reviews) · 983 playing right now

Trailmakers

Physics sandbox · 92% positive on Steam (28,047 reviews) · 903 playing right now

Tired of KallaX? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is KallaX co-op?: Yes, KallaX supports co-op.
Does KallaX have PvP?: Steam's store page doesn't flag a PvP category, but KallaX is tagged Team-Based — it's player-versus-player.
Do we both need to own KallaX to play together?: Yes. KallaX is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play KallaX?: Player counts were not available when this page was built.

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass