Free games like SumMon
Below are 8 free-to-play Steam games similar to SumMon, 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 SumMon page.
Ranked picks
- 1
Grimm's Hollow
Free-to-play alternative to SumMon — no purchase or trial window. Shares Indie and Adventure with SumMon.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
- 2
Paper Lily - Chapter 1
Free-to-play alternative to SumMon — no purchase or trial window. Shares Indie and Adventure with SumMon.
Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.
- 3
Project Kat - Paper Lily Prologue
Free-to-play alternative to SumMon — no purchase or trial window. Shares Indie and Adventure with SumMon.
Project Kat is a short, unconventional RPG horror game in which there is always another way. Solve puzzles, make friends (or not), and guide Kat as she attempts to uncover the mystery behind a strange golden letter.
- 4
Saihate Station
Free-to-play alternative to SumMon — no purchase or trial window. Shares Indie and Adventure with SumMon.
An exploration/horror/adventure game about the codependent, love-hate relationship between two men.
- 5
Silly Linguine Cat Simulator Deluxe Online
Free-to-play alternative to SumMon — no purchase or trial window. Shares Indie and Adventure with SumMon.
Silly Linguine Cat Simulator Deluxe Online is a clicker game where progression is replaced with gambling, where the goal is simply to collect the rarest silly linguine cats.
- 6
Die in the Dungeon: Origins
Free-to-play alternative to SumMon — no purchase or trial window. Shares Strategy and Indie with SumMon.
Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!
- 7
Epic Battle Fantasy 3
Free-to-play alternative to SumMon — no purchase or trial window. Shares Indie and Adventure with SumMon.
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!
- 8
The Riftbreaker: Prologue
Free-to-play alternative to SumMon — no purchase or trial window. Shares Strategy and Indie with SumMon.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.