IQ Puzzler / Lonpos 101 Pyramid Challenge by Smart GamesConstruct 2-D puzzles and 3-D pyramids with this brain twisting solitaire game. IQ Puzzler / Lonpos 101 pyramid challenge is easy enough for kids; challenging enough for adults! Play IQ Puzzler once and you'll want to master it level after level after level! Pick a puzzle from the book, set the challenge, and then place the remaining pieces to solve the puzzle. There are hundreds of possible combinations, but only one will complete the puzzle.