Try Siren's Kingdom slot online for free in demo mode with no download or no registration required. Try Siren's Kingdom Scratch online for free in demo mode with no download or no registration required. + games; Football betting every 90 seconds; Innovative games. Learn more about 1X2 Network integration. . Siren's Kingdom. Want to play Siren's Kingdom by Iron Dog Studio? ➤ Try Siren's Kingdom slot demo for free and read our expert review ✔️ Casino bonuses for. Want. Quick facts. 1X2 Network games. Siren's Kingdom is a spectacular 3 row, 5 reel slot which takes you below the waves which are home to many mystical creatures, none more splendid than the wild.