But that was not the only novelty in the game: the studio was also the first to show the character’s health as an image that changed the more damage you took, eventually turning the protagonist into a skeleton.
Gamedev back then was not as advanced as it is now, obviously, so the lead artist, Adrian Carmack, had to come up with some unusual solutions. He didn’t have animation software, so he made characters move by spamming the undo-redo buttons.
