If you can’t get enough of creepy character actor Christopher Walken , boot up The Darkening , one of this year’s CD-ROM releases from Austin’s Origin Systems . Walken, like John Hurt and Amanda Pays , plays one of the fifty characters who meet up with the game’s hero, an amnesiac who roams the planets after waking up from a cryogenic sleep. …In March Richardson-based 7th Level unveils The Universe According to Virgil Reality , a science primer for nine- to fourteen-year-olds that covers everything from biology and geology to meteorology and astronomy. Charles Fleischer , who provided the voice of Roger Rabbit in Who Framed Roger Rabbit , does the same for madcap scientist Virgil Reality. … Willie Nelson helped make history on SkyTrip America , which was created by Human Code of Austin and will be available in March. The educational disc, which takes kids on a tour of North American history from 3000 B.C. to the present, uses footage shot on the movie set at Nelson’s Pedernales complex outside Austin for a section on how the West was won.