Free games like The World of Marius
Below are 8 free-to-play Steam games similar to The World of Marius, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like The World of Marius page.
Ranked picks
- 1
A Park Full of Cats
Free-to-play alternative to The World of Marius — no purchase or trial window. Shares Casual with The World of Marius.
Welcome to 'A Park Full of Cats,' a hidden object game that invites you to revel in the enchanting world of amusement parks! Experience the thrill and excitement of the rides and give those cats the fun they truly deserve!
- 2
Stray Cats in Cozy Town
Free-to-play alternative to The World of Marius — no purchase or trial window. Shares Casual with The World of Marius.
Welcome to Cozy Town, where every day is International Cat Day! Be part of a village community where every stray is respected, loved and fed. Explore the charming streets and alleys to discover all the stray cats in this hidden-object game.
- 3
The Sims™ 4
Free-to-play alternative to The World of Marius — no purchase or trial window. Shares Adventure and Casual with The World of Marius.
Play with life and discover the possibilities. Unleash your imagination and create a world of Sims that’s wholly unique. Explore and customize every detail from Sims to homes–and much more.
- 4
Rec Room
Free-to-play alternative to The World of Marius — no purchase or trial window. Shares Adventure and Casual with The World of Marius.
Rec Room is the best place to build and play games together. Party up with friends from all around the world to chat, hang out, explore MILLIONS of player-created rooms, or build something new and amazing to share with us all.
- 5
Fishing Planet
Free-to-play alternative to The World of Marius — no purchase or trial window. Shares Sports with The World of Marius.
Fishing Planet® is a free-to-play and highly realistic first-person online multiplayer fishing simulator. Developed by avid fishing enthusiasts to bring you the full thrill of actual angling on your PC.
- 6
TrackMania Nations Forever
Free-to-play alternative to The World of Marius — no purchase or trial window.
A free game in the truest sense of the word, TrackMania Nations Forever lets you drive at mind-blowing speeds on fun and spectacular tracks in solo and multiplayer modes.TrackMania Nations Forever offers a new "Forever" version of the Stadium environment, a solid solo mode and 65 brand new, progressively challenging tracks.
- 7
Mr.Mine
Free-to-play alternative to The World of Marius — no purchase or trial window. Shares Adventure with The World of Marius.
Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep!
- 8
Unsolved Case
Free-to-play alternative to The World of Marius — no purchase or trial window. Shares Adventure and Casual with The World of Marius.
A new lead turns up old doubts about an 'Unsolved Case'. A trap, or a copycat killer? In this co-op puzzle game prequel to the award-winning Cryptic Killer series, put on your detective badges as you collaborate and communicate to crack the codes, solve the riddles, and catch the Cryptic Killer.