Diamonds Downunder free slot game developed by Rival casino software provider will definitely draw your attention. The rules are as simple as following: just press the Spin button and win money due to winning combinations, which appear within 15 active pay lines. You have an opportunity to define your total win by selecting the total bet and varying the number of win lines. Collect 3-5 symbols of bear, diamond, drink, kangaroo and crocodile to win up to 400 coins in one spin. All of them are played automatically and cannot be re-triggered during free spins.