Single-player games like Level 20
Below are 8 single-player Steam games similar to Level 20, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Level 20 page.
Ranked picks
- 1

Halved
Single-player alternative to Level 20 — playable solo, no multiplayer required. Shares Action and Indie with Level 20.
Halved is a roguelike action RPG game with only 5 levels and 3 game modes, but innumerable possibilities for each run. Play as one of 5 characters and traverse the dangerous parts of the world with the help of the mysterious Father of all Machines against his rebel/tyrant son, S.A.N.E.D..
- 2

Devious Dungeon
Single-player alternative to Level 20 — playable solo, no multiplayer required. Shares Action and Indie with Level 20.
Set in the Dark Ages, Devious Dungeon is a medieval focused action platformer with RPG styled upgrades.
- 3

Glaze Cup: Journey to the West
Single-player alternative to Level 20 — playable solo, no multiplayer required. Shares Action and Indie with Level 20.
This is a side scrolling action Rougelike game set in the three realms of humans, demons, ghosts, and gods. It tells the story of Lao Sha and other characters from Journey to the West before they learn from the classics
- 4

Oblivion Override
Single-player alternative to Level 20 — playable solo, no multiplayer required. Shares Action and Indie with Level 20.
An intense, hardcore action side-scroller. Maneuver as a ninja killerbot through dynamic wastelands with 26+ specialized weapons. Dodge, dash, and dominate. A homage to Metroidvania and Roguelike: customize atomic evolution, breach intricate alert levels to decrypt the Oblivion Code...
- 5

Intrusion 2
Single-player alternative to Level 20 — playable solo, no multiplayer required. Shares Action and Indie with Level 20.
"This is some of the most fun I've had with a game so far this year, and it will go down as one of the best side-scrolling shooters of all time." - 9/10, Destructoid
- 6

Himno - The Silent Melody
Single-player alternative to Level 20 — playable solo, no multiplayer required. Shares Action and Indie with Level 20.
Himno - The Silent Melody is an atmospheric roguelite action RPG. Explore different interconnected environments, gather materials to create your unique arsenal and build and automate your base.
- 7

Dreamscaper
Single-player alternative to Level 20 — playable solo, no multiplayer required. Shares Action and Indie with Level 20.
By night, delve deep into your subconscious and discover powerful artifacts to conquer your nightmares. By day, explore the city of Redhaven and build relationships to unlock the power of your dreams. DREAM. DIE. WAKE. REPEAT.
- 8

Fallback
Single-player alternative to Level 20 — playable solo, no multiplayer required. Shares Action and Indie with Level 20.
Lead the rebellion in an epic rogue-like adventure. Guide your jet-pack equipped post-apocalyptic volunteers through a labyrinthine underground complex by jumping, dodging, and battling against robot minions (and masters) to get to the surface — and bring life back to the scorched Earth.