Single-player games like Secret Laboratory
Below are 13 single-player Steam games similar to Secret Laboratory, 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 Secret Laboratory page.
Ranked picks
- 1
Zombie Murder Hell Arrives
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
Command two robots with their own shooting methods. Choose which one to control, using different parameters and super attacks. Shooting monsters will help you upgrade your robot of choice. Face a giant boss at the end of each scene!
- 2
Zombie Murder
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
Zombie Murder - A brutal shooter with good graphics, special effects and hard-edged music. A large arsenal of weapons, crowds of monsters, seas of blood and explosions.
- 3
Old Factory
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
The game is either a first person or third person. To help you win, look for weapon in abandoned buildings, collect ammunition and first aid kits, hide and try to hold out until your last breath, but be wise, you have no friends here, so shoot everything that moves.
- 4
Folklore Reloaded
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
Nothing beats a few brewskis on a temperate summer evening while camping in northern Ontario, however a rustle in the bushes reveals an onslaught of monsters who seek to separate your beer from your hand! Respond the natural way by taking up arms and defending yourself from this travesty!
- 5
LOZT: Legion of Zombie Terrors
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
A top-down shooter through the zombie apocalypse. A failed military experiment has turned the legions of troops into ZOMBIES! With weapons! Can you survive wave after wave of zombie attacks to escape?
- 6
POSTZ: ZOMBIES VR
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
Get straight to the action with quick access, easy to pick up and hard to master gameplay. Consecutive headshots give an increasingly large bonus point reward. Zombies are moving in from every angle so scan your surroundings to find your next target before it finds you!
- 7
Graveyard Defender
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
You are a cemetery caretaker. One night, the dead гise up. Hold the hordes of the dead for 14 nights. Protect your home.
- 8
Zombie Serial Killer Incident
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
Her small town transformed into a world of terror, crawling with zombies. An unprecedented tale of click-based action and suspense is about to begin.
- 9
Virus Z
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
Virus Z is a 3D zombie shooter with a third-person view. You must wade through crowds of the walking dead with your partner. Zombies are very fast here, and you will struggle to get away from them, so you must rely only on your reflexes and accuracy. Also, from out of nowhere, a huge monster-mutant may appear at any time
- 10
Mission Of Hero
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
You are a soldier in an elite, special squad that was sent to carry out a secret operation to steal information from the terrorists' base.
- 11
Turtle Lu
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
Turtle Lu is an old-school Action-Adventure game, Explore immense 2D Zones.
- 12
Tower Defense Sudden Attack
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Indie and Casual with Secret Laboratory.
Tower Defense Sudden Attack is a strategy game set in a military base seized by many terrorists and now is under attack.
- 13
Neon Void Runner
Single-player alternative to Secret Laboratory — playable solo, no multiplayer required. Shares Action and Indie with Secret Laboratory.
NeonVoid Runner is a infinite runner in which the player will test their reaction time in a fast virtual reality race placed in a futurist synthwave neon world.