Trivia: Total Recall was based on a 1966 short story from pulp-fiction writer Philip K. Dick called "We Can Remember It for You Wholesale". He also wrote other mind bending novels on which futuristic films like 'Minority Report', 'Blade Runner', 'Impostor', 'Screamers' and 'Paycheck' were based. Like many movies, the plot is only loosely based on the original story. In this case, the movie follows the original story up to visit to Total Recall after which the two diverge completely.
Trivia: Kuato's voice saying 'open your mind' was sampled in early 90's Italian electronic/dance group Usura's European hit of the same name.