Neptune Mahjong Connect - Version 1.0 We invite you into the underwater kingdom of Neptune in this new addictive colorful mahjong connect game by Online-Girl-Games.com. Discover the ancient jewelry of antique culture hidden in the sea depth. Delete all tiles with pictures to clean the playing board. Advance from one level to another enjoying the simple but absorbing puzzles and publish the best results online at Top 10. Download and play absolutely free for Windows OS.