Here is what I found; they are giving a lot of free dollars both to existing and new players. I received $40 personally .
Slotland Is Celebrating Its 10th Year Anniversary!
Bonuses for everyone!
October 1 through October 8 only!
Loyalty Bonus: For each calendar year you have been registered with Slotland (if you registered in 2008, you earn $10; if registered in 2007, you earn $20, etc.), they will credit your account with $10.
Welcome Bonus: Register a new account and $10 will immediately be credited to it as a gift from Slotland.
Birthday Deposit Bonuses: Each deposit you make during Slotland's Birthday week will earn you at least a 20% bonus. They say "at least" because your first and fourth deposit will ALSO yield another 100% bonus to your account, for a total of 120% bonus on those two deposits!
For All Players - WIN A $5,000 VACATION!