Any games existing on Mega Touch machines (or other similar machines) that are usually placed on counter tops in neighborhood bars. Esp. the Penthouse Photo Hunt game. The "crack" reference indicates the addictive nature of these games and the unmitigated pumping of dollars into Mega Touch machines.
I played video crack all night Saturday, got the high score on nuddie photo hunt, and spent over $70. Toats worth it, though.
Video Poker. A game you play for money that is very addicting.
I played some video crack and lost $250