Single-player games like Environmental Station Alpha
Below are 16 single-player Steam games similar to Environmental Station Alpha, 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 Environmental Station Alpha page.
Ranked picks
- 1

Rebel Transmute
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
Rebel Transmute is a challenging 2D action-platformer epic with heart! Explore the twisting caverns of an alien planet, augment your play-style to fit your strengths, battle deadly bosses, and uncover a dark truth as Moon Mikono searches for her long lost mother.
- 2

Axiom Verge
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
Explore and uncover the mystery of a surreal alien world by blasting aliens and glitching your environment in this intense retro side-scrolling action/adventure.
- 3

La-Mulana
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
LA-MULANA is an “Archaeological Ruin Exploration Action Game,” bringing the classic appeal of adventure with the punishing difficulty of retro-inspired gaming. Search inside ancient ruins, seeking out the “Secret Treasure of Life” – which sleeps in the sprawling ruins of “LA-MULANA” and is said to be the beginning of all civilization.
- 4

Gato Roboto
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
Pounce inside of your cozy armored mech and set off on a dangerous trek through an alien underworld full of irritable creatures and treacherous obstacles in a valiant effort to save your stranded captain and his crashed spaceship.
- 5

OUTBUDDIES DX
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
Run, gun and explore an open undercity in this otherworldly non-linear Metroidvania adventure about the Old Gods, strange creatures and the remnants of a lost world!
- 6

The Mummy Demastered
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Adventure with Environmental Station Alpha.
A powerful ancient evil has arisen, and the war to save humanity has begun! As an elite agent in the monster-hunting Prodigium organization, you must use a variety of weapons, upgrades, and mysterious artifacts to defend mankind against the supernatural hordes of Princess Ahmanet.
- 7

Rex Rocket
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
Inspired by the retro glory days of 8-bit games, Rex Rocket is a traditional 2D platformer brought into the 21st century. Paying tribute to classic NES games like Mario, Mega Man, and Metroid, old-school platformer fans will find Rex Rocket a breath of fresh air.
- 8

Cave Story+
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
Run, jump, shoot, fly and explore your way through a massive action-adventure reminiscent of classic 8- and 16-bit games.
- 9

Outer Wilds
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Adventure with Environmental Station Alpha.
Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.
- 10

TUNIC
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Adventure with Environmental Station Alpha.
Explore a land filled with lost legends, ancient powers, and ferocious monsters in TUNIC, an isometric action game about a small fox on a big adventure.
- 11

Salt and Sanctuary
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
Explore a haunting, punishing island in this stylized 2D action RPG. Salt and Sanctuary combines fast and brutal 2D combat with richly developed RPG mechanics in a cursed realm of forgotten cities, blood-soaked dungeons, and desecrated monuments.
- 12

NieR:Automata™
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action with Environmental Station Alpha.
NieR: Automata tells the story of androids 2B, 9S and A2 and their battle to reclaim the machine-driven dystopia overrun by powerful machines.
- 13

Macbat 64
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
Macbat 64 is a low poly 3D Platformer and 4:3 loveletter to the late 90s.
- 14

ANIMAL WELL
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
Explore a dense, interconnected labyrinth, and unravel its many secrets. Collect items to manipulate your environment in surprising and meaningful ways. Encounter beautiful and unsettling creatures, as you attempt to survive what lurks in the dark. There is more than what you see.
- 15

Noita
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Action and Indie with Environmental Station Alpha.
Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.
- 16

FEZ
Single-player alternative to Environmental Station Alpha — playable solo, no multiplayer required. Shares Indie with Environmental Station Alpha.
Gomez is a 2D creature living in a 2D world. Or is he? When the existence of a mysterious 3rd dimension is revealed to him, Gomez is sent out on a journey that will take him to the very end of time and space. Use your ability to navigate 3D structures from 4 distinct classic 2D perspectives.