Single-player games like Digitroids
Below are 8 single-player Steam games similar to Digitroids, 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 Digitroids page.
Ranked picks
- 1
Attack of the Zektoids!
Single-player alternative to Digitroids — playable solo, no multiplayer required. Shares Indie and Casual with Digitroids.
Attack of the Zektoids! blends active ability timing with deep incremental progression. Buy turrets based on elements and elemental synergies. Choose upgrade paths for each turret. Defeat strong Zektoids to receive powerful gear. Prestige to unlock permanent upgrades.
- 2
Swarm Idle
Single-player alternative to Digitroids — playable solo, no multiplayer required. Shares Indie and Casual with Digitroids.
Swarm Idle is a prestige idle/incremental game where you command an alien queen and her swarm: devour 100 cities, develop eight lineages, optimize your Mutations, and progress even while offline until the whole Earth is ravaged.
- 3
Trainferno
Single-player alternative to Digitroids — playable solo, no multiplayer required. Shares Casual with Digitroids.
Upgrade and defend your armored train against relentless machines in a side-scrolling survival game designed to run while you work or browse.
- 4
Kill Factory
Single-player alternative to Digitroids — playable solo, no multiplayer required. Shares Indie and Casual with Digitroids.
An arena-based trap builder where defenses aren’t placed—they’re assembled from interconnected modules. Combine weapons, magnets, rotors, and elemental effects, fight with your cursor, and rebuild the factory before every new wave.
- 5
My Army Getting Stronger
Single-player alternative to Digitroids — playable solo, no multiplayer required. Shares Indie and Casual with Digitroids.
A short relaxing incremental auto-battler where you grow an unstoppable war machine and grind your way forward through enemy territory. No stress, no micromanagement — just growth, upgrades, and glorious mass battles.
- 6
Idle Resistance
Single-player alternative to Digitroids — playable solo, no multiplayer required. Shares Indie and Casual with Digitroids.
The machines never stop attacking. So you must keep firing. Recruit gunners, unlock deadly weapons, and plan your way through a sprawling skill tree to break through the next wave.
- 7
Topdeck Automat
Single-player alternative to Digitroids — playable solo, no multiplayer required. Shares Indie with Digitroids.
The roguelike auto-battler where your deck prints itself! Supply a brave worker droid with synergistic blueprints to defend the planet against hordes of alien invaders. Combine hundreds of cards with custom upgrades and infinitely stackable modules to discover broken builds.
- 8
Slime Trader
Single-player alternative to Digitroids — playable solo, no multiplayer required. Shares Indie with Digitroids.
Summon, place, and merge slimes to stop the larvae pouring from the pen. Collect 111 slimes across 12 grades from F to XXX, grow through runes and rebirths, trade eligible Steam Inventory items, and climb the stage leaderboard in this casual pixel-art horde defense game.