Released in December 1981.
Also released as :
"Eliminator [Upright 2-Player model]
"Eliminator [Cocktail 2-Player model]
During the attract mode for Eliminator 4-player, it mentions 'Two-players game'. This implies that the 2-player upright model came first, and they forgot to change the attract mode between games.
This was the only '4-players' vector game ever made.