While not the first, this game was near the beginning of the wave of one room games. It was entered into IFCOMP the same year as Enlightenment, another popular one room game.
This game is just pure puzzle fest. Solve a puzzle and another pops out. There is a lights out type puzzle with pegs, a mathematical dart board, hidden objects, codes, etc. It's similar to the more recent Grandma Bethlindas puzzlebox.
Recommended for pure puzzle fans.