The online casino offers a payout of up to 96% and + games! Spider Slots Casino is a gambling site launched in with a Curaçao gaming license. The online casino offers a payout of up to 96% and + games!. Players. You can get them by entering a special promo code. Join the Starz Casino site today and grab an enticing offer of 50 free spins, no deposit required, to enjoy “Leprechaun Riches. ” Use the promo code. You. To claim this bonus simply register a new account at SpiderSlots Casino and enter the bonus code “SPIDER” when making your first deposit. A famous online gambling provider offers all registered users a lot of nice bonuses. Spider Slots Casino is a gambling site launched in with a Curaçao gaming license.