I've been using the codes at spaceslots casino and they are all active right now. For the first deposit, use SPACE1 to get a 400% match and 100 free spins. They have a full five-stage package with codes SPACE2, SPACE3, SPACE4, and SPACE5 for the following deposits. Each stage has its own bonus percentage and free spin count, reaching a total of 175 spins and 6000 EUR in bonus cash. You just enter the code in the cashier before you confirm the payment, and it appears in your profile instantly. I track my bonus progress in the profile section, so I always know how much is left to wager. It’s a very solid deal because it keeps the bankroll boosted for a long time. Definitely worth using if you're planning on a long galaxy adventure.