Another interesting online casino game is the slot games machine in Singapore. Traditional slot machines are consisting of three or more reels and are regularly operated with coins. This game usually involves matching symbols either on mechanical reels or on video screens. Many different slot machines are available worldwide. Some of them are popular video poker machines and are multi-line slots. However, the method of calculating the payouts varies in every device. In recent years multi-denomination slot machines have been introduced. This machine automatically calculates the number of credits as per the player’s selection.