Free games like Diabolus
Below are 9 free-to-play Steam games similar to Diabolus, 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 Diabolus page.
Ranked picks
- 1
Sheepy: A Short Adventure
Free-to-play alternative to Diabolus — no purchase or trial window. Shares Indie with Diabolus.
A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.
- 2
Grimm's Hollow
Free-to-play alternative to Diabolus — no purchase or trial window. Shares Indie with Diabolus.
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.
- 3
Steam Engine Simulator
Free-to-play alternative to Diabolus — no purchase or trial window.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 4
Magic Archery
Free-to-play alternative to Diabolus — no purchase or trial window. Shares Indie with Diabolus.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 5
Tails Noir: Prologue
Free-to-play alternative to Diabolus — no purchase or trial window. Shares Indie with Diabolus.
Tails Noir: Prologue is the first act of a post-noir narrative adventure. Become raccoon private eye Howard Lotor and explore dystopian Vancouver inhabited by animals as you uncover a deeply personal story of change and transformation.
- 6
Moonring
Free-to-play alternative to Diabolus — no purchase or trial window.
A dark-fantasy, turn-based, retro-fusion of classic turn-based RPGs and roguelikes, all presented with a unique neon aesthetic.
- 7
Tukoni: Prologue
Free-to-play alternative to Diabolus — no purchase or trial window. Shares Indie with Diabolus.
Tukoni: Prologue is a point-and-click puzzle adventure, based on a series of award-winning books by the Ukrainian artist Oksana Bula. Play as Tukoni, the forest spirits, as you meet unique characters, solve captivating puzzles, craft new items, and explore a magical world filled with kindness.
- 8
Die in the Dungeon: Origins
Free-to-play alternative to Diabolus — no purchase or trial window. Shares Strategy and Indie with Diabolus.
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!
- 9
ON&OFF
Free-to-play alternative to Diabolus — no purchase or trial window. Shares Strategy and Indie with Diabolus.
ON&OFF is a turn-based strategy game where you manipulate pieces on a grid to trigger explosive chain reactions. Toggle pieces ON to attack, defend, and heal. Read the enemy's telegraphed intents, unleash powerful skills, and master the board to survive!