In Let's Mahjong, players can engage in various modes, including online play, freeplay, and challenge mode, utilizing a diverse set of characters, each with unique temperaments and strategies. The game mechanics revolve around traditional Mahjong gameplay, enhanced with special items and character abilities that add depth to the experience.

The storyline of Let's Mahjong immerses players in a nostalgic 1970s Hong Kong setting, where they navigate through different challenges and interactions with a cast of 100 characters, each contributing to the game's vibrant atmosphere.

Let's Mahjong stands out with its unique features, such as real-time online multiplayer, a dynamic ranking system, and special items that enhance gameplay, providing a fresh take on the classic Mahjong experience.