Best Similar Games Like SCP: Secret Laboratory

Test your instincts at trust and deception in an action-filled, multiplayer first-person shooter. You wake up in unknown surroundings to the sound of the Game Master’s unfamiliar voice, surrounded by five others. A third of your group have been infected with a virus, but who will escape?

Scare or be scared in this FREE adrenaline-pumping multiplayer game full of hijinks and mischief! Set traps, cast spells, and scare the living hell out of your opponent to win!

Portal Stories: Mel is a community made, free modification for Portal 2 based in the Portal universe. It tells the story of Mel, who meets a new personality core and faces an undiscovered threat to the Aperture facility.

Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare.

Synergy enables you to play through the Half-Life 2 series and many other singleplayer Source Mods cooperatively with friends.

Cross-platform hurricane online 3D Shooter

Estranged tells the story of a lone fisherman, whose ship is stranded on a mysterious island during a violent storm. Explore the rich environments and meet the curious inhabitants of the island as you find a way back to the mainland.

You venture through your mind, trying desperately to wake up from your nightmares. Will you make it out?

Lost Squad — fan-made Source Engine based game in Half-Life® 2 universe about what happened to Barney Calhoun after Half-Life® 2: Episode One events and why he was not in Half-Life® 2: Episode Two