Actually, video aside, this was not too bad a game for the time. Crystal Lake was pretty expansive considering the time of the game. It was a fairly big environment with a surprising amount of interior locations. The general idea was to save as many campers as possible, then find and kill Jason. Campers wandered around on their own and if they wound up in a location alone with the camper who was Jason, they would end up dead. Items were randomly scattered around the game, one of which was a large cross. If you touched another camper, that camper would immediately go to wherever you last placed the cross, making it a sort of sanctuary. The only way to identify Jason was to either attack campers with weapons (which would quickly drive you insane which drove other campers away and eventually lost you the game. Sanity also went down when you witnessed killing or stumbled across dead bodies) or follow and watch people, since Jason occasionally would briefly reveal himself. It was possible to walk in on Jason murdering people which solved the issue pretty quick as well.
It was a weird, kind of creepy idea that actually worked for it being some bargain, shovelware game, which is how it was basically sold.

I played this game several times when it was new, but had no idea what the rules were. Reading them now makes the game make a bit more sense...

The best glitch was that you could pick up dead campers and use them as an uber-weapon. Nothing better then running around clubbing campers to death with other campers!

He sees Jason three times in this clip. Its the guy dressed in all black. And you can see the people dieing in the bottom right as their avatars are replaces with headstones.

Also, the thing that looks like a house key or dinosaur skull is supposed to be a chainsaw.