API
To use the API, send a POST request to the URL for each function as indicated below.

Your API key can be found in your member prefences.

Get collection list
URL: https://letslogic.com/api/v1/collections
PARAMS: key

Get levels in collection
URL: https://letslogic.com/api/v1/collection/collection_id
PARAMS: key

Submit level solution
URL: https://letslogic.com/api/v1/level/level_id
PARAMS: key & solution

PHP examples here.

Member Rankings
1. Findus 1,002,926
2. Mark 939,684
3. ejsantos123 929,781
4. Ficko 817,141
5. shengli03 746,652
6. Strange Yeah 587,734
7. shy1639 542,516
8. mbjenn1ngs 523,977
9. stopheart 518,885
10. skippy 396,574
Country Rankings
1. China 2,108,083
2. Germany 2,028,678
3. United States 1,462,874
4. Ukraine 1,101,752
5. Portugal 1,051,678
6. Slovenia 939,684
7. Romania 888,990
8. Australia 652,883
9. France 451,296
10. Brazil 350,357
Site Statistics
Puzzle Packs612
Total Puzzles51,975
Unsolved Puzzles68
Puzzle Attempts1,689,787
Puzzle Victories1,287,871
Attempt/Victory Ratio76%