Totally did this too, though without the innovation of using two sides of the paper. I'd draw mazes with monsters and stuff on grid paper, and use a piece of p

Totally did this too, though without the innovation of using two sides of the paper. I'd draw mazes with monsters and stuff on grid paper, and use a piece of paper with hole cut in it to implement the player's vision (can only see 5 squares around etc.) Good times...