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 1,002,585
2. Mark 951,983
3. ejsantos123 901,644
4. Ficko 800,668
5. shengli03 735,687
6. Strange Yeah 578,414
7. shy1639 533,952
8. mbjenn1ngs 515,526
9. Megerian 514,942
10. stopheart 510,696
Country Rankings
1. Germany 2,165,283
2. China 2,064,898
3. United States 1,415,286
4. Ukraine 1,121,875
5. Portugal 1,016,210
6. Slovenia 951,983
7. Romania 842,160
8. Australia 637,435
9. France 459,279
10. Croatia 341,261
Site Statistics
Puzzle Packs613
Total Puzzles51,771
Unsolved Puzzles0
Puzzle Attempts1,707,061
Puzzle Victories1,250,261
Attempt/Victory Ratio73%