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 1,006,214
2. Mark 961,148
3. ejsantos123 900,522
4. Ficko 799,401
5. shengli03 734,173
6. Strange Yeah 578,436
7. shy1639 532,721
8. mbjenn1ngs 515,540
9. Megerian 512,707
10. stopheart 510,139
Country Rankings
1. Germany 2,201,464
2. China 2,061,033
3. United States 1,485,851
4. Ukraine 1,131,994
5. Portugal 1,015,007
6. Slovenia 961,148
7. Romania 848,446
8. Australia 639,720
9. France 484,832
10. Croatia 344,620
Site Statistics
Puzzle Packs616
Total Puzzles51,899
Unsolved Puzzles0
Puzzle Attempts1,747,620
Puzzle Victories1,250,255
Attempt/Victory Ratio72%