Perplex City is an Alternate Reality Game (ARG) that blends real-life treasure hunting, interactive fiction, puzzle-solving, online communities, and live events in cities around the world. It's a sort of bizarre mix between Alice in Wonderland and The Matrix Here's how this awesome ARG works:
Buy Perplex City Card packs (6 cards per pack - card measurement: 4"X6").
The puzzle cards feature optical illusions, riddles, mazes, origami, anagrams, codes, pop culture trivia, and even the odd Sudoku.
Go to the Perplex City website and enter the puzzle solutions and any codes discovered.
You'll earn points and meet friends, all in the pursuit of better puzzles.
Perplex City Card Game