There are 4 posts tagged with Siren Head here.
Siren Head Forest Return is a first person shooter and survival horror where you and a companion will have to use an ax and anything else you can find to defeat a strange creature with a siren head.
Siren Apocalyptic is an online horror FPS where the main villain is a huge humanoid creature, very large and bony, but instead of a head it has several sirens that are attached to the body with sinewy ligaments.
Christmas: Night of Horror is a horror FPS where you will grab your guns and send demonic creatures — including Slenderman, Momo, and Siren Head — back to Hell, where they belong! Save Christmas and have fun!
Siren Head: Sound of Despair is an online horror first/third person shooter for browsers that features awesome 3D graphics, scary monsters, creepy atmosphere, easy controls and three type of weapons: axe, gun and shotgun.
Stickman vs Zombies is an online survival shooter for that features endless shooting gameplay, in-game shop with upgrades, nice guns to shoot with and more!