Double Down Casino has tons of great Casino Slot Machine Games with Bonuses to play for FREE without downloads or registrations!. Play a huge selection of Vegas slots and other casino games online for free. Includes games by Bally, IGT, Konami and Aristocrat. No signups required. Quick Hit · Slots by Maker · 88 Fortunes · Double Da Vinci Diamonds Slots. Enjoy some of the best free slots without signup or download at MrGamez. Online slots are an essential part of any casino, both land based or online. No spam, no mailers, no registration, no sign-up required. Free online slot fun is just a click away. Please be advised, though, picking more lines with more reels does not increase your overall long-term chances of winning. Just note that you can never cashout free play winnings. Any player of slots has more than likely wished at one time or another that they would win their Big One! Play free Macarons online slot….