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

Cyber Bay
Single-player alternative to Lab Inspect — playable solo, no multiplayer required. Shares Action with Lab Inspect.
"Cyber Bay" is a 2D rhythm action roguelike in which the player takes on the role of the last surviving human fighting against a zombie apocalypse caused by artificial intelligence. The player's main objective is to survive, fight zombies, and find ways to destroy the AI.
- 2

Kalzoon
Single-player alternative to Lab Inspect — playable solo, no multiplayer required. Shares Action with Lab Inspect.
Kalzoon is a 2D shooter where you are the most powerful creature from the planet Krim.
- 3

Vortex Attack EX
Single-player alternative to Lab Inspect — playable solo, no multiplayer required. Shares Action with Lab Inspect.
Galaxy is in danger with hostile ships swarming from the opening vortex. Blast enemies with huge variety of upgradeable ships. Frantic arcade shooter featuring world leaderboards and fun multiplayer mode will keep you playing until all ships are unlocked; galaxies saved. WARNING:VERY_ADDICTIVE
- 4

Mechaguard
Single-player alternative to Lab Inspect — playable solo, no multiplayer required. Shares Action with Lab Inspect.
Mechaguard is an arena shooter where you have to create the perfect vehicle to destroy a huge horde of monsters.
- 5

Deadzone Haunt
Single-player alternative to Lab Inspect — playable solo, no multiplayer required. Shares Action with Lab Inspect.
Deadzone Haunt is a wave-based First-Person Zombie Shooter. Customize your loadout, upgrade weapons, and use perks & power-ups to dominate the demons. Experience smooth movement, satisfying gunplay, and a new approach to weapon camo customization.
- 6

Fear of The Undead: Rise of Evil
Single-player alternative to Lab Inspect — playable solo, no multiplayer required. Shares Action with Lab Inspect.
Fear of The Undead: Rise of Evil features a PvE battle with wave progression, the further the player goes, the harder it gets. It offers 4 characters with distinct stories and abilities, along with a catalog of maps and weapons.
- 7

Dead Estate
Single-player alternative to Lab Inspect — playable solo, no multiplayer required. Shares Action with Lab Inspect.
Cornered with nowhere else to turn, can you escape the monster-filled mansion? Dead Estate is a gory, fast-paced, challenging roguelike shooter with a heavy emphasis on horror.
- 8

Double Kick Heroes
Single-player alternative to Lab Inspect — playable solo, no multiplayer required. Shares Action with Lab Inspect.
Butcher loads of zombies in Rhythm with Metal! Survive on the highway to hell fighting an epic freakshow! Now with 30 levels of pure madness! 19 Licensed tracks and a Community Level Editor to import your own songs!