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 1,000,706
2. Mark 941,762
3. ejsantos123 913,947
4. Ficko 805,888
5. shengli03 736,450
6. Strange Yeah 578,424
7. shy1639 534,779
8. mbjenn1ngs 515,535
9. stopheart 510,416
10. Megerian 391,137
Country Rankings
1. China 2,065,926
2. Germany 2,003,254
3. United States 1,415,870
4. Ukraine 1,116,173
5. Portugal 1,028,551
6. Slovenia 941,762
7. Romania 843,787
8. Australia 637,588
9. France 436,625
10. Brazil 340,891
Site Statistics
Puzzle Packs613
Total Puzzles51,787
Unsolved Puzzles0
Puzzle Attempts1,679,982
Puzzle Victories1,258,584
Attempt/Victory Ratio75%