Once Upon A KATAMARI: online multiplayer on PC and Steam Deck

Oct 23, 2025
4+players

PC
PS5
Xbox
Switch 2
Switch

Everyone

Action · 3D · Adventure

Once upon a time a katamari rolled through both past and present. In this story across time, the adage endures: Let The Good Times Roll! Now onward through new worlds to roll up thy heart's desires and to restore the stars!

90%Very positive1,400 Steam reviewsOpenCritic 81 · 83% of critics recommendSteam Deck verified

Who can play

Store

Split-screen is not confirmed.
Online on PC. Steam lists 4-player online. Xbox lists 4-player online play. Not confirmed on PS5, Xbox, Switch 2 and Switch.
Crossplay is not confirmed.
Whether one copy is enough is not confirmed.

SteamPrice on SteamGet it

How it plays

Is it good

90%

Very positive on Steam

of 1,400 reviewsRead on Steam (opens the store in a new tab)

Steam Deck Verified

Every way to play together

Steam lists online multiplayer for PC. Player counts and console play are not confirmed yet. 90% positive of 1,400 Steam reviews.

- PC
PCStore (how we check facts)
Same screen
Not listed
Same room, own screens
Not listed
Online
4+players, versus
- Xbox
Xbox Series X|SStore (how we check facts)
Same screen
Not confirmed
Same room, own screens
Not confirmed
Online
4+players
- PS5, not confirmed
- Switch 2, not confirmed
- Switch, not confirmed
Not confirmed: available, how it plays together is not checked yet

Play modes here come from the Steam and Xbox store listings, which give no player limits. Console play modes are not confirmed yet. How we check facts

Quick facts

Developer: RENGAME
Publisher: Bandai Namco Entertainment Inc.
Platforms: PC, PlayStation 5, Xbox Series X|S, Nintendo Switch 2, Nintendo Switch
Series: Katamari
Released: Oct 23, 2025 on PC, PS5, Xbox Series X|S and Switch
Oct 8, 2026 on Switch 2
Controllers: Full controller support on PC, PlayStation controllers too
Languages: Text in 9 languages, voices in 2
Age rating: Everyone (ESRB): Mild fantasy violence, alcohol reference, use of tobacco

Answers

Updated October 27, 2026

Does Once Upon A KATAMARI have couch co-op?: No same-screen play is confirmed. The Steam listing does not include it on PC. Not confirmed yet on PS5, Xbox, Switch 2 and Switch. Online play is the way to play it together.
Is Once Upon A KATAMARI crossplay?: Crossplay not yet confirmed.
Do you need two copies of Once Upon A KATAMARI?: No one-copy option is listed, so expect each player online to need their own copy.
What platforms is Once Upon A KATAMARI on?: PC, PlayStation 5, Xbox Series X|S, Nintendo Switch 2 and Nintendo Switch.
Does Once Upon A KATAMARI work on Steam Deck?: Yes: Steam rates it Verified for Steam Deck.
Is Once Upon A KATAMARI free?: No, it's a paid game.

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