Single-player games like Lightspeed
Below are 8 single-player Steam games similar to Lightspeed, 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 Lightspeed page.
Ranked picks
- 1
LUNAR
Single-player alternative to Lightspeed — playable solo, no multiplayer required. Shares Casual with Lightspeed.
A tiny astronaut explores the Moon in a little window on your desktop. Collect resources, send out drones, upgrade your gear, and customize your operator. A calm idle companion to keep the workday fun.
- 2
No Blink Allowed
Single-player alternative to Lightspeed — playable solo, no multiplayer required. Shares Casual with Lightspeed.
Train your timing skills to stop the clock close to zero, collect shards, and spend them on a massive skill tree in this short arcade-ish incremental game. Struggle with glitching displays, hidden timers, chaotic multi-stops, and other hazards as you improve your accuracy.
- 3
A Certain Incremental Exoplanet
Single-player alternative to Lightspeed — playable solo, no multiplayer required. Shares Indie and Casual with Lightspeed.
Build. Blast. Prestige. Repeat. An incremental game where you build the most productive exoplanet while protecting your enterprise from space pirates. Automate production, shoot rockets, employ an alien and keep on producing.
- 4
Click & Mine
Single-player alternative to Lightspeed — playable solo, no multiplayer required. Shares Indie and Casual with Lightspeed.
Click & Mine is a relaxing incremental mining game. Mine various resources and use them to buy upgrades, allowing you to descend deeper and deeper while unlocking new biomes, ores and skills.
- 5
Around The Core
Single-player alternative to Lightspeed — playable solo, no multiplayer required. Shares Indie and Casual with Lightspeed.
A space-themed incremental shooter where destruction fuels growth. Annihilate asteroids, harvest wealth, and climb a massive upgrade tree.
- 6
Singularity Simulator: Click Is All You Need
Single-player alternative to Lightspeed — playable solo, no multiplayer required. Shares Indie and Casual with Lightspeed.
A clicker/incremental game themed around the technological singularity. Use AI to streamline AI development, build data centers and power plants, and venture into space in pursuit of even more power.
- 7
Growing My Manhole
Single-player alternative to Lightspeed — playable solo, no multiplayer required. Shares Indie and Casual with Lightspeed.
Consume the universe, grow from Manhole to Black Hole in this insatiable incremental game.
- 8
Catnip Craze
Single-player alternative to Lightspeed — playable solo, no multiplayer required. Shares Indie and Casual with Lightspeed.
A bite-sized incremental idle game about cats, catnip, and numbers going up. Harvest catnip, hire cats, unlock production tiers, and prestige to witness the inevitable conclusion of the craze.