Single-player games like Scrap Bastion
Below are 8 single-player Steam games similar to Scrap Bastion, 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 Scrap Bastion page.
Ranked picks
- 1

Kuiper Belt Survivor
Single-player alternative to Scrap Bastion — playable solo, no multiplayer required. Shares Action and Strategy with Scrap Bastion.
Kuiper belt survivor is an arcade style bullet heaven, where every run is endless. It brings a unique spin to the bullet heaven genre by making every part of the players weapon arsenal customizable with well over 10,000 unique weapons to build, and unique stats for every enemy.
- 2

Tower Tactics Arena
Single-player alternative to Scrap Bastion — playable solo, no multiplayer required. Shares Action with Scrap Bastion.
Tower Tactics Arena is a fast-paced action roguelite set in the Tower Tactics: Liberation universe. Battle relentless enemy waves in a closed combat arena, level up your towers strategically, and gather powerful trinkets and potions! Will you claim victory in the arena?
- 3

Planetary Defense: An Orbital Turret Defense System
Single-player alternative to Scrap Bastion — playable solo, no multiplayer required. Shares Action and Strategy with Scrap Bastion.
2D space shooter and turret defense come together to create the Planetary Defense System this world needs! Shoot down asteroids and aliens and survive the bosses in this arcade like game featuring customizable satellites, projectiles, and upgradable Cannon and Planet Shield systems.
- 4

Extermination
Single-player alternative to Scrap Bastion — playable solo, no multiplayer required. Shares Action and Early Access with Scrap Bastion.
Embark on a thrilling interstellar adventure! Scout uncharted planets, overcome native threats, gather components to enhance your robot, and discover groundbreaking abilities. Prepare the path for future colonists and make your mark on the galaxy!
- 5

AsteroidTD
Single-player alternative to Scrap Bastion — playable solo, no multiplayer required. Shares Action and Strategy with Scrap Bastion.
Try to survive in infinite asteroid cloud as long as possible in reworked tower defence style. FInd your own playstyle and beat your own records or chillout with original ambient soundtracks. Build, explore, think - everything to create your own colony in this cold space.
- 6

Nordhold
Single-player alternative to Scrap Bastion — playable solo, no multiplayer required. Shares Strategy and Indie with Scrap Bastion.
Enemies are coming! Every decision matters: build your city, grow the economy, and prepare for enemy waves. Strengthen your defenses, adapt your strategy, and unleash your hero’s full potential. This unique Tower Defense will test your skills – are you worthy to claim a place at Valhalla?
- 7

SENTRY
Single-player alternative to Scrap Bastion — playable solo, no multiplayer required. Shares Action and Strategy with Scrap Bastion.
SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.
- 8

Infested Planet
Single-player alternative to Scrap Bastion — playable solo, no multiplayer required. Shares Action and Strategy with Scrap Bastion.
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.