Step right up to play your favorite machines! This 4 pack of casino games from Masque and IGT has over slot machines! Plus, play more games like Online. Play on 18 all new, never before released slots. más información. This is your chance to bring home real casino. Unlock new slots as you spin and win on your favorite slots. The Slots WMS Double Pack software by Masque Publishing is a collection of two slot machine games designed for entertainment and enjoyment. .