Mahjong Spiele is an online gaming website focused on free Mahjong and Mahjong Solitaire games. Its collection includes traditional tile-matching puzzles as well as variations such as Mahjong Connect, Mahjong Towers, tile games, 3D Mahjong, and Mahjong Slide. Players can choose from familiar titles including Mahjongg, Mahjong Titans, and Mahjong Dimensions, or explore themed games featuring animals, gardens, seasons, travel, and jewels.

The site offers puzzles with a range of layouts and formats, including games with hundreds or thousands of boards, daily challenges, and options with or without time limits. Some titles add special tiles, combo bonuses, or distinct matching rules, while others present the game in three dimensions or invite players to connect matching pieces. Visitors can browse the catalogue by category and sort games by rating, recency, popularity, or alphabetically.

Beyond Mahjong, the site also links to other casual game categories, including bubble shooters, card games, match-three games, and puzzles. It provides a forum, newsletter subscription, contact and privacy information, and ways to share or support the site