Kripkenstein[?] from Kripke[?] and Wittgenstein, coined to describe a philosophical position that Kripke argued one could read into Wittgenstein's work, but which neither he nor Wittgenstein accepted.
Portmanteau created by Lewis Carroll in the Jabberwocky
... and speed of movement (it's a 3-speed stick). Gameplay is very challenging and rewarding, and once the player has gotten through a level there are bonuses to collect, ...