Single-player games like Sidebar Starship
Below are 8 single-player Steam games similar to Sidebar Starship, 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 Sidebar Starship page.
Ranked picks
- 1
Swarm Survivor: Endless Siege
Single-player alternative to Sidebar Starship — playable solo, no multiplayer required. Shares Indie and Casual with Sidebar Starship.
Swarm Survivors: Endless Siege is a light roguelike bullet-hell idle shooter. You play as the last survivor of the Swarm, fighting to stay alive under the endless siege of alien fleets. Build overwhelming power and face wave after wave of relentless challenges.
- 2
Incrementalism: Paper Space
Single-player alternative to Sidebar Starship — playable solo, no multiplayer required. Shares Action and Indie with Sidebar Starship.
A run based shooter drawn on lined paper. Fly a paper ship across a desk, collect what you can before the fuel runs out, then spend it and go again. Five worlds, five currencies, and rules that rewrite themselves.
- 3
Don't Touch The Rocks
Single-player alternative to Sidebar Starship — playable solo, no multiplayer required. Shares Action with Sidebar Starship.
Don’t Touch The Rocks (DTTR) is a fast and punishing, incremental bullet hell. In DTTR, no ship flies alone. When one ship goes down, the next one tags in. Shoot, dodge, accidentally touch rock and break ship, repeat.
- 4
HordeFall
Single-player alternative to Sidebar Starship — playable solo, no multiplayer required. Shares Action and Indie with Sidebar Starship.
A bulletheaven x incremental game that runs as a desktop companion in the corner of your screen! While you work, your hero automatically fights thousands of enemies. Unlock upgrades and manage your economy, attributes, and spells. Your screen is your battlefield - minimal space, maximum progress!
- 5
Around The Core
Single-player alternative to Sidebar Starship — playable solo, no multiplayer required. Shares Indie and Casual with Sidebar Starship.
A space-themed incremental shooter where destruction fuels growth. Annihilate asteroids, harvest wealth, and climb a massive upgrade tree.
- 6
Incremental Space Defense Force League
Single-player alternative to Sidebar Starship — playable solo, no multiplayer required. Shares Action and Indie with Sidebar Starship.
Pilot an A.C.E combat craft in a incremental retro styled sci-fi shoot 'em up where every run earns data shards, unlocks upgrades via 7 skill trees, fight bosses, conquer 100 prestige levels and push deeper into a war against the Worms invading the colony.
- 7
Fortress Full Fury
Single-player alternative to Sidebar Starship — playable solo, no multiplayer required. Shares Action and Indie with Sidebar Starship.
An incremental bullet-heaven where every run feeds permanent upgrades. Defend your fortress, harvest crystals, and climb a 600+ node tech tree until your scrappy defenses become a screen-clearing arsenal against absurd swarms.
- 8
Run, Ronald, Run
Single-player alternative to Sidebar Starship — playable solo, no multiplayer required. Shares Action and Indie with Sidebar Starship.
Run, Ronald, Run is an incremental arena shooter about a small circle trying to survive against a very large number of angry shapes.