Fixed a spooky sound from playing multiple times, as it was only meant to play once.
Removed a few headcrabs from spawning after zombie death, since this wasn't known with the bootleg tools.

If there are any issues after this update, please let me know!

Fixed an npc wakeup condition, will now wake up when damaged.
Added an additonal autosave in the subway.
Fixed some NPC pathing/cover issues in the subway.
Hopefully fixed random VIS issue with the combine fight on the tracks, let me know if it's still happening.

If there are any issues after this update, please let me know!

Fixed command that takes you back to the main menu. It should now actually take you back to the main menu. Thanks to Gvarados for letting me know.

If you find any issues after this update, PLEASE TELL ME.

A checkbox on one single entity wasn't checked. This is fixed now :)

Created Overcharge.