Is Cubic Castles co-op?

Steam's store page doesn't flag a co-op category, but players tag Cubic Castles as co-op.

Does Cubic Castles have PvP?

Steam does not list PvP for Cubic Castles.

Do we both need to own Cubic Castles to play together?

Yes. Cubic Castles 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 Cubic Castles?

About 22 players were in-game when this page's data was last refreshed (2026-09-09).

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

Multiplayer games › Survival › Survival craft

Is Cubic Castles multiplayer or co-op?

Yes — co-op. Cubic Castles is a survival craft game released in 2014, 74% positive on Steam (4,280 reviews), with 22 playing right now. Free on Steam.

Online multiplayerSurvival · Survival craft

Your blocks, your castle, your world! Build anything you can dream up and explore with other players! Cubic Castles is a mini-MMO that combines the best of…

How Cubic Castles plays with friends, according to Steam

Online co-op: Not listed on Steam
Local / split-screen co-op: Not listed on Steam
Online PvP: Not listed on Steam
LAN play: Not listed on Steam
Cross-platform multiplayer (Windows / Mac / Linux): Yes
MMO: Yes

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: Free to Play, Open World Survival Craft, Building, Multiplayer, Sandbox, Open World, Massively Multiplayer, Crafting

Do you and a friend both own Cubic Castles?

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

Or open the Steam store page.

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Terraria

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Valheim

Survival craft · 94% positive on Steam (499,828 reviews) · 14,439 playing right now

V Rising

Survival craft · 89% positive on Steam (119,440 reviews) · 10,961 playing right now

Enshrouded

Survival craft · 86% positive on Steam (78,080 reviews) · 10,654 playing right now

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

Quick answers

Is Cubic Castles co-op?: Steam's store page doesn't flag a co-op category, but players tag Cubic Castles as co-op.
Does Cubic Castles have PvP?: Steam does not list PvP for Cubic Castles.
Do we both need to own Cubic Castles to play together?: Yes. Cubic Castles 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 Cubic Castles?: About 22 players were in-game when this page's data was last refreshed (2026-09-09).

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