10 Video Game Enemies So Hard They Got DELETED

10. Fast Zombies - Half Life: Alyx

There's no denying that Half-Life: Alyx is an inherently more intense and challenging experience through sheer virtue of taking place in VR - the added layer of immersion makes even seemingly trivial combat encounters decidedly more stressful.

But if you thought that battling Headcrabs in VR was bad enough, Alyx originally included an even more pulse-quickening foe - the Fast Zombie.

Fast Zombies appeared in prior Half-Life games and are exactly what you think - zombies which are more agile and can attack the player with considerably greater haste, due to having a Fast Headcrab latched onto their head.

However, during development of Alyx the decision was made to remove Fast Zombies to balance the game's overall difficulty and ensure that more anxious players weren't discouraged from continuing to play.

Level designer Dario Casali told Gamespot, "The shock of having that guy come around the corner and latch onto you before you'd even know what was going on was just too much."

On behalf of all squeamish Half-Life fans out there, thank you Valve.