A $100 casino bonus is an enticing offer that allows players to enhance their gaming experience by providing extra funds to play with. Typically offered as a welcome bonus, it can be a match bonus, where the casino matches your initial deposit up to $100, or a no-deposit bonus, granting free play without requiring a deposit. This bonus can be used on various games, giving players the chance to explore the casino's offerings while increasing their winning potential. Always check the terms and conditions, as wagering requirements may apply before cashing out any winnings.