The 4-Player version of this game is Williams' 1976 'Space Mission'. The back-glass for Space Odyssey was very clearly an adaptation of Robert McCall’s poster art for Stanley Kubrick’s film, 2001: A Space Odyssey, and speculation that a lawsuit was forthcoming (following Kubrick’s suit against the Space: 1999 TV series) may have prematurely halted production of these machines.
It’s Featured in Pinball 1: Page 243; Tilt the Pinball Book: Page 102; The Pinball Compendium 1970-1981: Page 91; Pinball!: Page 135; Pinball Snapshots: Pages 192-195. Also printed in the Pinball Flyer Reference Book S-Z.1976 Williams.
It has 2 pop bumpers, 2 kick-out holes, 2 ball kickers, 2 stand up targets, 1 spinning target and a swinging target that goes back and forth from left to right when the game is on. Measures 71×52.25×30.75?