Green Dawn Mall

Publisher's blurb:

GREEN DAWN MALL is a tabletop RPG for 1 GM and 3 to 5 players, in which you play teenagers who wander into an endless, distorted mall, in search of their lost friend. The further you go, the stranger things get. Will you be able to find them and get back to the real world unscathed?

You'll like this game if you enjoy exploration and interactions with your surroundings rather than combat, a world which is more odd than horrific, and random environments that will always surprise you—even if you're the GM. The rules aim for simplicity: roll between 1 and 4d6, succeed on 5 or 6, and that’s about it!