Lotto is the Colorado Lottery's in-state jackpot game. Players select six numbers from a field of 42 and prizes are awarded for matching 3, 4, 5 or 6 of the numbers. The game has a "rolling" jackpot — one that grows each drawing when the previous jackpot is not won.

Lotto Drawings are conducted every Wednesday and Saturday at approximately 7:35 p.m. in Pueblo, CO. Lotto tickets will be sold until 11:59 p.m. with sales starting at 4:30 a.m. the following morning on Monday, Tuesday, Thursday, and Friday. Probability of winning a Lotto jackpot is 1 in 5,245,786. Overall probability of winning is 1 in 35. Prizes equal at least 50% of sales overall. Each play costs $1.