Dunder casino bonus is available for new players from the UK. New players have the option to register for free or earn free money when they deposit money. Dunder’s welcome package offers 600 Pounds plus 200 free spins on their first four deposits. Players first deposit will earn up to 50 Pounds and earn 20 free spins daily for 10 days. 50% extra up to 100 Pounds on their second deposit. The third deposit will earn 25% extra up to 150 Pounds. Lastly, earn 25% extra up to 300 Pound bonus.