No deposit bonus code Manhattan Slots Casino. Your bonus code: MSLOTS80FB. 80 Free spins on Secret Symbol Slot. * Valid when you like. Get a % welcome offer up to $ - twice! Download & play at Manhattan Slots Online Casino to start winning today or play for free and practise!. At Manhattan Slots Casinon receive a % welcome bonus up to $ free with a first deposit. Manhattan Slots Casino launched in and Welcome Bonus : % first deposit bonus up to.