Redeem the bonus at the casino cashier.
Use the code 40BIGSLOTS and get $40 free bonus.
Use the code 10GOODPLAY and get $10 free bonus.
Use the code 30SLOTS4U and get $30 free bonus.
Deposit $25 with the code BIGHIT150 and get 150% match bonus.
The free bonus has max cash-out set at twice the bonus amount.
Cheers!