In most cases, you only need to deposit a minimum amount and register to claim these offers. Casinos that offer this type of bonus are similar to 200% deposit bonus UK and 300% bonus casino sites. The first is a match bonus that effectively awards 400% of your deposit and typically comes as a welcome package for newly registered players. What Is a 400 Deposit Bonus Casino Offer?Īs we said in the beginning, this promotion comes in two types: