Single-player games like Moonbase Down
Below are 9 single-player Steam games similar to Moonbase Down, 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 Moonbase Down page.
Ranked picks
- 1
Space Beast Terror Fright
Single-player alternative to Moonbase Down — playable solo, no multiplayer required. Shares Action and Indie with Moonbase Down.
S.B.T.F. is a very hard arcade-style / rogue-like / perma-death first person shooter. You play as Marines who must brave dark, claustrophobic and terrifyingly intense Space Beast infested spacecraft in order to extract critical data and lucrative upgrades. Can you make it out alive?
- 2
Alien Shooter TD
Single-player alternative to Moonbase Down — playable solo, no multiplayer required. Shares Action and Strategy with Moonbase Down.
Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!
- 3
Genesis Alpha One Deluxe Edition
Single-player alternative to Moonbase Down — playable solo, no multiplayer required. Shares Action and Indie with Moonbase Down.
Hyperjump into the dark recesses of space with Genesis Alpha One - a roguelike FPS where you must build, maintain and navigate your ship through a galaxy filled with hostile alien and human threats. Explore, create and survive the militarized space race in order to secure humanity’s future.
- 4
Teleglitch: Die More Edition
Single-player alternative to Moonbase Down — playable solo, no multiplayer required. Shares Action and Indie with Moonbase Down.
In a cold, dark future dominated by mega-corporations, a small lonely planet on the edge of habitable space is the site of a shadowy research facility specializing in necrotic tissue reactivation. You are a scientist who has suddenly awoken to the realization that you are the lone survivor.
- 5
Has-Been Heroes
Single-player alternative to Moonbase Down — playable solo, no multiplayer required. Shares Action and Strategy with Moonbase Down.
Has-Been Heroes is a challenging, lane-based roguelike game of strategy and action, featuring a band of heroes on a quest to escort the King's twin princesses to school!
- 6
UFO 50
Single-player alternative to Moonbase Down — playable solo, no multiplayer required. Shares Action and Strategy with Moonbase Down.
UFO 50 is a collection of 50 single and multiplayer games that span a variety of genres, from platformers and shoot 'em ups to puzzle games, roguelites, and RPGs. Our goal is to combine a familiar 8-bit aesthetic with new ideas and modern game design.
- 7
Mewgenics
Single-player alternative to Moonbase Down — playable solo, no multiplayer required. Shares Strategy and Indie with Moonbase Down.
Build the ultimate cat army through tactical breeding and send them into deep, challenging turn-based adventures. Draft abilities, collect items, and manipulate genetics across generations in this roguelike tactics game from the creators of The Binding of Isaac and The End is Nigh.
- 8
Vampire Survivors
Single-player alternative to Moonbase Down — playable solo, no multiplayer required. Shares Action and Indie with Moonbase Down.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
- 9
Master of the Forbidden Sea
Single-player alternative to Moonbase Down — playable solo, no multiplayer required. Shares Action and Indie with Moonbase Down.
Dive for treasure in a chaotic region of the Pacific known as the Triangle of Doom. Avoid starvation, battle strange monsters, and voyage past the point of no return to the undersea.