In the online casino world, bonuses are a great way for casino operators to engage players. Over the years, bonuses and promotions have become increasingly competitive, offering players bigger and better cash rewards for playing at a particular online casino. 

The most common type of bonus known in the online casino universe is the welcome bonus. Almost all casinos have them, but they are referred to by different names, including "Sign-Up Bonus" and "New Player Bonus". These bonuses often provide players with the chance to double their first deposit by matching however much money they put into their online casino account. 

Players can also take advantage of reload bonuses, which operate in the same way as welcome bonuses. Players are provided with a match bonus; however, it may be less than 100%. They are often around 50%.

Sometimes, casino operators offer a Preferred Deposit Bonus, which are awarded to players who use a particular deposit method. A casino will often have a deal with certain payment processors, so in order to get more players to use that method, a bonus is usually offered. These are normally less, about 10% or 15% match bonuses, but they do make a difference. 

Loyalty programs are another popular way for players to earn bonus cash. When a player takes part in this type of program, they are awarded points every time they play casino games. These points can then be accumulated and cashed in for other prizes. Loyalty members can also take part in a wide range of exclusive tournaments, promotions and bonuses.