Free games like Mundus - Impossible Universe
Below are 8 free-to-play Steam games similar to Mundus - Impossible Universe, 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 Mundus - Impossible Universe page.
Ranked picks
- 1
Epic Battle Fantasy 3
Free-to-play alternative to Mundus - Impossible Universe — no purchase or trial window. Shares Indie with Mundus - Impossible Universe.
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!
- 2
Clicker Heroes
Free-to-play alternative to Mundus - Impossible Universe — no purchase or trial window. Shares Strategy and Indie with Mundus - Impossible Universe.
Click your way through hordes of monsters, earn gold, and recruit quirky heroes with powerful skills. Progress even while you're idle, and watch the numbers climb into the absurd. It’s a never-ending journey of clicks, crits, and colossal damage.
- 3
Bloons TD Battles 2
Free-to-play alternative to Mundus - Impossible Universe — no purchase or trial window. Shares Action and Strategy with Mundus - Impossible Universe.
From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons!
- 4
Bloons TD Battles
Free-to-play alternative to Mundus - Impossible Universe — no purchase or trial window. Shares Action and Strategy with Mundus - Impossible Universe.
Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses.
- 5
Blackwake
Free-to-play alternative to Mundus - Impossible Universe — no purchase or trial window. Shares Action and Strategy with Mundus - Impossible Universe.
Blackwake is a multiplayer naval FPS focused on teamwork and cooperation. Fire the cannons, sink enemy ships or board them with firearms and steel.
- 6
Goose Goose Duck
Free-to-play alternative to Mundus - Impossible Universe — no purchase or trial window. Shares Strategy and Indie with Mundus - Impossible Universe.
Goose Goose Duck is a game of social deduction for up to 16 players. Players are separated into different groups that are each assigned a different objective. Complete your team’s objective to win!
- 7
Darwin Project
Free-to-play alternative to Mundus - Impossible Universe — no purchase or trial window. Shares Action and Indie with Mundus - Impossible Universe.
In Darwin Project, ten inmates must survive the elements, track each other, fight, craft tools, and use their social skills to be the last one standing. It's a unique take on battle royale with a Show Director to influence the match and Spectator Interactions to create a one-of-a-kind game show.
- 8
Transformice
Free-to-play alternative to Mundus - Impossible Universe — no purchase or trial window. Shares Indie with Mundus - Impossible Universe.
Transformice is an MMO platformer about dozens of mice running to bring back the cheese! Will the almighty Shaman help you or just ruin everything? Millions of levels, hectic physics, skill trees, and more importantly... hats!