Radiis does not list co-op on Steam; it has PvP, Local / split-screen, Single-player too.

Does Radiis have PvP?

Yes, Radiis has player-versus-player modes.

How many people play Radiis?

About 3 players were in-game when this page was built (2026-09-09).

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

Multiplayer games › Cards & tabletop › Cards & tabletop

Is Radiis multiplayer or co-op?

Yes — PvP, plus local/split-screen. Radiis is a cards & tabletop game released in 2018, 91% positive on Steam (97 reviews), with 3 playing right now. $14.99 on Steam.

PvPLocal / split-screenSingle-player tooCards & tabletop · Cards & tabletop

Radiis is a turn based strategy game without any moving units, only buildings. Place your buildings wisely…

Steam tags: Turn-Based, Turn-Based Strategy, Board Game, Experimental, Procedural Generation, Strategy, Colorful, Minimalist

Do you and a friend both own Radiis?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Radiis 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 Radiis you can play together

Balatro

Cards & tabletop · 98% positive on Steam (153,566 reviews) · 17,123 playing right now

Slay the Spire

Cards & tabletop · 98% positive on Steam (182,277 reviews) · 15,038 playing right now

Tabletop Simulator

Cards & tabletop · 94% positive on Steam (70,660 reviews) · 5,021 playing right now

KARDS - The WW2 Card Game

Cards & tabletop · 74% positive on Steam (38,679 reviews) · 4,796 playing right now

Astral Party

Cards & tabletop · 56% positive on Steam (16,969 reviews) · 3,227 playing right now

Guilty as Sock!

Cards & tabletop · 93% positive on Steam (536 reviews) · 3,056 playing right now

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

Quick answers

Is Radiis co-op?: Radiis does not list co-op on Steam; it has PvP, Local / split-screen, Single-player too.
Does Radiis have PvP?: Yes, Radiis has player-versus-player modes.
How many people play Radiis?: About 3 players were in-game when this page was built (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 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. How the data works · Legal & privacy · All types · Game Pass