Single-player games like Sumin's Tower:Session No.5
Below are 8 single-player Steam games similar to Sumin's Tower:Session No.5, 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 Sumin's Tower:Session No.5 page.
Ranked picks
- 1

Back again
Single-player alternative to Sumin's Tower:Session No.5 — playable solo, no multiplayer required. Shares Indie and Adventure with Sumin's Tower:Session No.5.
Can you make it to the end of this punishing 3D platformer or will you be stuck in the void? Back again features: Challenging levels to test your skill and patience, a unique changing soundtrack with a light narrative and creepy atmosphere. Also includes Survival Mode
- 2

Leap of Phase: Samantha
Single-player alternative to Sumin's Tower:Session No.5 — playable solo, no multiplayer required. Shares Indie and Adventure with Sumin's Tower:Session No.5.
You thought it would be the chance of a lifetime when tech giant IRT hired you to work in their new testing facility. But now… you’re a guinea pig for experimental teleporting technology and suspect that something is wrong with this company. Very wrong...
- 3

Re:Touring
Single-player alternative to Sumin's Tower:Session No.5 — playable solo, no multiplayer required. Shares Indie and Adventure with Sumin's Tower:Session No.5.
Re:Touring is a first-person puzzle game in which you'll explore the abandoned Luoni Energy Competence Center. Using a retro-style computer, you'll create color patterns to progress through the levels.
- 4

Nakamers: La huida
Single-player alternative to Sumin's Tower:Session No.5 — playable solo, no multiplayer required. Shares Indie and Adventure with Sumin's Tower:Session No.5.
Escapa del colapso de una civilización que está a punto de extinguirse. Acompaña a Xioon en busca de su familia perdida mientras intentas ponerte a salvo de los desprendimientos y sorteando los ríos de lava. Sumérgete en una historia épica llena de emociones.
- 5

Sable
Single-player alternative to Sumin's Tower:Session No.5 — playable solo, no multiplayer required. Shares Indie and Adventure with Sumin's Tower:Session No.5.
Embark on an unique and unforgettable journey and guide Sable through her Gliding; a rite of passage that will take her across vast deserts and mesmerizing landscapes, capped by the remains of spaceships and ancient wonders.
- 6

Biolum
Single-player alternative to Sumin's Tower:Session No.5 — playable solo, no multiplayer required. Shares Indie and Adventure with Sumin's Tower:Session No.5.
Biolum is a 30min VR sci-fi narrative experience. Dive to uncharted depths of the ocean and discover a beautiful world of bioluminescent creatures. But all is not what it seems. What lies beneath the surface?
- 7

Road 96 🛣️
Single-player alternative to Sumin's Tower:Session No.5 — playable solo, no multiplayer required. Shares Indie and Adventure with Sumin's Tower:Session No.5.
Hitchhike your way to freedom in this crazy procedurally generated road trip. No one's road is the same!
- 8

BLACKSHARD
Single-player alternative to Sumin's Tower:Session No.5 — playable solo, no multiplayer required. Shares Indie and Adventure with Sumin's Tower:Session No.5.
BLACKSHARD is a first-person exploration game. Wander through a strange megastructure, the Labyrinth, to unravel its mysteries... Your behavior within the Labyrinth will define the outcome of your journey. What path will you choose to take?