Try Siren's Kingdom Scratch online for free in demo mode with no download or no registration required. 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. Try Siren's Kingdom slot online for free in demo mode with no download or no registration required. 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. Learn more about 1X2 Network integration. + games; Football betting every 90 seconds; Innovative games.