Games where a player must match 3 coins or symbols are often times pre-determined. In fact, majority of slot machine bonus rounds the outcome is pre-determined. Here is a way to tell if a bonus round is pre-determined or not in a pick feature. Always remember that individual games may differ so always read the game rules.

If after you are done selecting your options and the bonus round or prize is granted, if the system reveals what was behind the other picks, that is typically an indication that the bonus round was NOT pre-determined. These would be games like Quick-Hits where you the player have full control of the type of bonus round you receive based on what you selected.

If after you are done selecting the options and the other picks are not reveled, this means that the bonus round was pre-determined. These would be games like dancing drums where you must match 3 coins to obtain a prize. These are pre-determined.

Always remember that slot games do vary so make sure you are reading the game rules of the game prior to playing.