Single-player games like The Underlayer
Below are 9 single-player Steam games similar to The Underlayer, 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 The Underlayer page.
Ranked picks
- 1

Hot Worlds
Single-player alternative to The Underlayer — playable solo, no multiplayer required. Shares Action and Indie with The Underlayer.
When all-star MMA fighter Valentina Rubio discovers a door to a shadow dimension, she goes on an adventure through the fabric of space to compete in HOT WORLDS; the biggest anything-goes fighting championship in the universe!
- 2

Ashmourn
Single-player alternative to The Underlayer — playable solo, no multiplayer required. Shares Action and Indie with The Underlayer.
ASHMOURN is a hand-crafted 2D roguelike of relentless combat and deep build-craft. Parry, dash and unleash god-given boons across five cursed biomes that reshape every run. Fall, grow stronger, and break the false dawn. · 6 languages.
- 3

Chasing the Wind
Single-player alternative to The Underlayer — playable solo, no multiplayer required. Shares Action and Indie with The Underlayer.
In this game, players will collect resources while exploring maps, relying on the accumulated resources to compete on the global leaderboard; they will also gain unique enjoyment from adventure and competition.
- 4

Barbearian
Single-player alternative to The Underlayer — playable solo, no multiplayer required. Shares Action and Indie with The Underlayer.
Barbearian is a fast-paced hack'n'slash with massive battles in a colorful, hand-drawn world. Fight for your life, discover the secrets of the Arbitrators and find your way back home!
- 5

The Frosted
Single-player alternative to The Underlayer — playable solo, no multiplayer required. Shares Action and Indie with The Underlayer.
The Frosted is a roguelite shooter packed with intense action and magical combat. Guide Ursula through vibrant worlds, unleash devastating attacks, and battle mighty bosses. Unravel mysteries, discover secrets, and grow stronger with every run to uncover the true cost of her greatest wish.
- 6

Space Recall
Single-player alternative to The Underlayer — playable solo, no multiplayer required. Shares Action and Indie with The Underlayer.
"Space Recall" is a side-scrolling game with action Roguelike structure, skill and equipment combination as innovation points, and economic operation as the driving force. players can build character skills according to the situation, and at the same time with special abilities
- 7

Kill Fish
Single-player alternative to The Underlayer — playable solo, no multiplayer required. Shares Action and Indie with The Underlayer.
Kill Fish is a surreal 2D side-scroll platformer blending action, puzzle challenges, and hand-drawn visuals in a mysterious, atmospheric world with a layered narrative.
- 8

Fuzz Dungeon
Single-player alternative to The Underlayer — playable solo, no multiplayer required. Shares Action and Indie with The Underlayer.
Descend through absurd layers of history as a rat-dog-witch trying to escape employment and transcend reality. Explore weird museums, cosmic hallways, and your own bad dreams in a chaotic mash-up of art, humor, and a playable existential crisis.
- 9

Quantum Project
Single-player alternative to The Underlayer — playable solo, no multiplayer required. Shares Action and Indie with The Underlayer.
Quantum Project - it's a platform 2D shooter, whose actions occur in the near post-apocalyptic future. Fight, survive and you will understand the value of life.