Here is the full list of all 42 Majong Classic achievements.
Remove successively 3 pairs of tiles of the same category x100 (bamboo, flowers, seasons, etc.).
Remove pair of tiles that are adjacent to each other 1000 times.
Use bonuses 250 times.
Remove successively 3 pairs of tiles faster than in 3 seconds x200.
Complete a game without using hints or remixes 25 times.
Collect all collecting cards.
Remove successively 3 pairs of tiles of the same category x50 (bamboo, flowers, seasons, etc.).
Remove successively 3 pairs of tiles faster than in 3 seconds x100.
Get training.
Complete a game without using hints or remixes 10 times.
Use bonuses 50 times.
Win 20 games.
Remove pair of tiles that are adjacent to each other 200 times.
Remove successively 3 pairs of tiles of the same category x10 (bamboo, flowers, seasons, etc.).
Remove pair of tiles that are adjacent to each other 50 times.
Remove successively 3 pairs of tiles faster than in 3 seconds x10.
Complete a game less than in 60 seconds.
Solve all layouts in the game at least once.
Remove successively 3 pairs of tiles of the same category x200 (bamboo, flowers, seasons, etc.).
Remove successively 3 pairs of tiles of the same category x500 (bamboo, flowers, seasons, etc.).
Remove successively 3 pairs of tiles faster than in 3 seconds x50.
Remove successively 3 pairs of tiles faster than in 3 seconds x500.
Win 100 games.
Win 250 games.
Win 500 games.
Win 1000 games.
Use bonuses 500 times.
Use bonuses 1000 times.
Use bonuses 2000 times.
Complete a game without using hints or remixes 50 times.
Complete a game without using hints or remixes 100 times.
Complete a game without using hints or remixes 250 times.
Remove pair of tiles that are adjacent to each other 2000 times.
Remove pair of tiles that are adjacent to each other 5000 times.
Win the game every day during 7 days.
Win the game every day during 30 days.
Win the game every day during 60 days.
Win the game every day during 120 days.
Win the game every day during 250 days.
Complete the game 100% (all levels, cards and layouts)