Is Riichi City - Japanese Mahjong co-op?

Riichi City - Japanese Mahjong does not list co-op on Steam; it has PvP.

Does Riichi City - Japanese Mahjong have PvP?

Yes, Riichi City - Japanese Mahjong has player-versus-player modes.

Do we both need to own Riichi City - Japanese Mahjong to play together?

Yes. Riichi City - Japanese Mahjong 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 Riichi City - Japanese Mahjong?

About 406 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 › Cards & tabletop › Cards & tabletop

Is Riichi City - Japanese Mahjong multiplayer or co-op?

Yes — PvP. Riichi City - Japanese Mahjong is a cards & tabletop game released in 2022, 51% positive on Steam (3,583 reviews), with 406 playing right now. Free on Steam.

PvPCards & tabletop · Cards & tabletop

Riichi City is a competitive urban-style Anime mahjong game, featuring beginner-friendly mahjong tutorials, Ranked Matches and tournaments crowded with…

How Riichi City - Japanese Mahjong plays with friends, according to Steam

Online co-op: Not listed on Steam
Local / split-screen co-op: Not listed on Steam
Online PvP: Yes
LAN play: Not listed on Steam
Cross-platform multiplayer (Windows / Mac / Linux): 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: Sexual Content, Casual, Anime, Psychological Horror, Thriller, Card Game, Horror, Cute

Do you and a friend both own Riichi City - Japanese Mahjong?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Riichi City - Japanese Mahjong 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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Quick answers

Is Riichi City - Japanese Mahjong co-op?: Riichi City - Japanese Mahjong does not list co-op on Steam; it has PvP.
Does Riichi City - Japanese Mahjong have PvP?: Yes, Riichi City - Japanese Mahjong has player-versus-player modes.
Do we both need to own Riichi City - Japanese Mahjong to play together?: Yes. Riichi City - Japanese Mahjong 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 Riichi City - Japanese Mahjong?: About 406 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