Dumb and Dumber Route to Riches uses a 5x3 layout with 20 fixed paylines. Players land matching symbols across these lines to form wins while keeping an eye out for special cash collect icons. These symbols can expand to cover entire reels, gathering instant prizes that appear on the screen during the base game.

The bonus round is triggered by landing specific symbols that progress the player along a trail. Unlocking the end of this trail activates the main feature, which offers opportunities for larger payouts. Due to the high volatility, players should expect periods of inactivity followed by potential wins when collect upgrades or bonus features land.