Is Sonder multiplayer or co-op?

Yes — co-op, plus local/split-screen. Sonder is a co-op platformer game released in 2024, 90% positive on Steam (519 reviews), with 3 playing right now. Free on Steam.

Steam tags: Casual, Adventure, Platformer, Puzzle, Puzzle-Platformer, Exploration, Side Scroller, 2.5D

Do you and a friend both own Sonder?

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

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

Quick answers

Is Sonder co-op?

Yes, Sonder supports co-op.

Does Sonder have PvP?

Steam does not list PvP for Sonder.

How many people play Sonder?

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