A gaming machine is described herein. The gaming machine includes a control unit programmed to initiate an instance of a primary game and spin and stop virtual reel strips to display an outcome of the primary game. The control unit detects an appearance of a winning combination of game symbols in the outcome and provides an initial award based on the winning combination, and detects an appearance of the collect symbol and a credit prize symbol in the outcome, determines an amount of credits associated with the credit prize symbol, and a bonus award including the determined amount of credits.