Single-player games like Only an Alien Going Up!
Below are 14 single-player Steam games similar to Only an Alien Going Up!, 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 Only an Alien Going Up! page.
Ranked picks
- 1

Only Down!
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Indie and Adventure with Only an Alien Going Up!.
Have game developers often forced you to climb somewhere with no purpose? This time, your goal is to hit rock bottom and nothing else. It should be simple enough, good luck to everyone.
- 2

Grow Home
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Indie and Adventure with Only an Alien Going Up!.
Experience the freedom of unbounded climbing as you take control of BUD, a procedurally animated robot on a quest to save his planet. Create your own path through an alien world as you control and ride a giant plant on a vertical journey to the stars.
- 3

Big Hops
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Action and Indie with Only an Alien Going Up!.
Tongue-swing, free climb, and build your own path forward in a new kind of 3D platformer! Plant veggie bounce pads, tightropes, hookshots, and much more. Find a way home through huge Desert, Ocean, and Mountain worlds and collect bugs, upgrade your backpack, and meet animal friends along the way.
- 4

not available
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Indie and Adventure with Only an Alien Going Up!.
You are a young teenage Jackie from the ghetto who wants to get out of poverty and embark on a journey of learning about the world and yourself. The world has definitely gone crazy, though it has never been normal, but maybe now is the chance for you. Crisis is a time for action and decisive steps...
- 5

A Webbing Journey
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Indie and Adventure with Only an Alien Going Up!.
Adorable spider chaos! Swing around the house, weave crazy structures, play with physics-based objects, and pull off chores with nothing but your webs and your wits in this madcap sandbox adventure.
- 6

Hover
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Action and Adventure with Only an Alien Going Up!.
Experience the thrills of a fast-paced single and multiplayer Parkour game. Join the Rebellion and deride the security forces of an anti-leisure tyranny. Rise up to the many challenges of a futuristic Open World. Assemble your team, enhance your gear and perform incredible tricks and combos.
- 7

Demon Tides
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Action and Adventure with Only an Alien Going Up!.
Race across open oceans and uncover a kingdom’s dark secrets. Expressively platform your way across dozens of locales, upgrading your gear and modifying your move-set every step of the way!
- 8

Jusant
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Action and Indie with Only an Alien Going Up!.
Enjoy meditative vibes in Jusant, an action-puzzle climbing game. Scale an immeasurably tall tower and ascend to new heights alongside your watery companion. Master your climbing tools, find your way up through diverse biomes, and piece together the tower’s past.
- 9

Drifter King Online
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Action and Indie with Only an Alien Going Up!.
Precision drift racing solo or against friends.
- 10

Tornado Driver
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Action and Indie with Only an Alien Going Up!.
Endless runner game with different environments and objects being randomly generated.
- 11

Super Marble Brothers
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Action and Indie with Only an Alien Going Up!.
Precision 3D platform game with cooperative or single player challenges above the clouds.
- 12

Chaotic Pursuit
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Action and Indie with Only an Alien Going Up!.
Chaotic Pursuit is a hardcore Top-Down Shooter with cute graphics. You miss a shot and you're out!
- 13

The Sheriff's Town
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Action and Indie with Only an Alien Going Up!.
The Sheriff's Town is a game where you control a sheriff to exterminate hordes of zombies.
- 14

Little Splash
Single-player alternative to Only an Alien Going Up! — playable solo, no multiplayer required. Shares Action and Indie with Only an Alien Going Up!.
Little Splash is a 2D precision platformer inspired by the classics you love. Here you play as an agile protagonist who will splash paint all over your path, are you ready to make the cleanest run possible?