Mahjong 300 is a puzzle game developed by Avanquest Software and released on Nintendo DS. Continue Reading → Jump to a section: Home Releases Credits Overview Walkthrough Achievements Cheats Mahjong 300 Brainwaves View all → Discussion Article Thought Review 100 Share Mahjong 300 with others Games You May Like I Spy: Universe Tetris Worlds Indy 500 The Beatles: Rock Band Mahjong 300 Releases Credits Characters List Overview Walkthrough Achievements Cheats Updates