Not out of the box — but the SRMP – Slime Rancher Multiplayer mod makes it co-op. Slime Rancher is a farming & life sim game released in 2017, 98% positive on Steam (138,097 reviews), with 858 playing right now. $19.99 on Steam.
Ranch together on one map. Last updated early 2024 and not free, so check it matches your game version first. Steam lists Slime Rancher 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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Slime Rancher is the tale of Beatrix LeBeau, a plucky, young rancher who sets out for a life a thousand light years away from Earth on the ‘Far, Far Range’…
Steam tags: Cute, Exploration, Adventure, Singleplayer, Open World, First-Person, Colorful, Funny
Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Slime Rancher 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 Slime Rancher? 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 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. How the data works · Legal & privacy · All types · Game Pass