A survival horror game where alien intruders (intruders) are a constant and deadly presence in a Martian facility. Download: Available on Steam .
A short work of (text-based) available on platforms like Itch.io . Mark: An Inevitable Threat Download PC Game
You play as an elite ninja whose power comes from mystical tattoos that also slowly drive the bearer toward madness—the "inevitable threat" to your own mind. A survival horror game where alien intruders (intruders)
A classic released in the mid-2000s.
This is the most prominent "Mark" game on PC. It is a highly acclaimed game. Mark: An Inevitable Threat Download PC Game