The geek mind at play is a wonderful thing to behold. Two examples: Roomba Pacman, built by three engineers whose day jobs involve unmanned aerial vehicle systems (videos here), and Novel Chess, a system too complicated to explain here that allows works of literature to compete on the 64-square field of battle (e.g. "Nearly as exhausting is the 141-move slugfest between Benjamin Constant's lapidary tale of ennui and seduction, Adolphe (1816), and La Bodega (1905), Vincente Blasco Ibáñez's crusading proto-prohibitionist indictment of wine-drenched backwardness in Andalucía — a game that culminates in yet another triumph for Iberian social realism."