The Redark is a habitation prototype established by The Corporation beneath the surface of Mars. The site has been dark for decades. Untill a few hours ago, this site and its inhabitants did not exist. it's down to you to find out what's down there... Discover. Rescue. Survive. Run! Siren is a total coversion for Doom 2. Bringing a new rosta of weapons, enemies and maps through its exclusive campaign.
Unzip and drop Siren.pk3 onto gzdoom.exe, or use the pk3 with your favourite launcher. GZDoom v4.10 or above required.