Major Millions is a Microgaming progressive slot machine which has 2 different versions. The Major Millions 3-Reel version has 3 paylines and 3 coins. It has a fixed coin size of $1, and the maximum bet of 3 lines is $3. The Major Millions symbol is a wild multiplier that replaces any of the 6 regular symbols to yield the 13 possible winning combinations. As part of a combination, one Major Millions symbol doubles and two Major Millions symbols quadruple any payout. If there are more winning combinations per payline, only the highest one is paid out.

Every payline is activated by playing an additional coin, up to three. When 3 Major Millions symbols appear on paylines 1 and 2, the payout is 25,000 and 50,000 coins respectively. The Progressive Jackpot is activated when playing 3 coins at $3 per spin. So, hitting 3 Major Millions symbols on the 3rd payline awards the Progressive Jackpot which is from $250,000 upwards. The other combinations yield much lower payouts ranging from 2 coins for any 1 Cherry symbol up to 400 coins for 3 Red Seven symbols. This means up to 1,600 coins with 2 wilds.