Not out of the box — but the My Summer Car Online (MSCO) mod makes it co-op. My Summer Car is a vehicle sandbox game released in 2025, 95% positive on Steam (91,394 reviews), with 1,044 playing right now. $14.99 on Steam.
Wrench on the Satsuma with friends in one shared Finland. Community-run and in beta — read the site's setup guide. Steam lists My Summer Car as single-player, so it won't show up in Steam's own "games we both own" view as something you can play together — Ready Up counts it anyway, marked "Via mod", and you can hide mod-only games with one filter if that's not your thing.
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My Summer Car is the ultimate car owning, building, fixing, tuning, maintenance AND permadeath life survival simulator. You start the game with hundreds of…
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: Automobile Sim, Simulation, Driving, Open World, Survival, Realistic, First-Person, Building
Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether My Summer Car is one of them — then helps you pick tonight's game with a weighted roll or a bracket.
Or open the Steam store page.
Tired of My Summer Car? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.
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