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 1,001,656
2. Mark 935,127
3. ejsantos123 931,143
4. Ficko 814,053
5. shengli03 747,436
6. Strange Yeah 586,538
7. shy1639 543,178
8. mbjenn1ngs 521,661
9. stopheart 519,139
10. skippy 396,518
Country Rankings
1. China 2,110,048
2. Germany 1,955,340
3. United States 1,460,542
4. Ukraine 1,094,449
5. Portugal 1,053,091
6. Slovenia 935,127
7. Romania 890,512
8. Australia 651,421
9. France 440,391
10. Brazil 350,333
Site Statistics
Puzzle Packs610
Total Puzzles51,852
Unsolved Puzzles6
Puzzle Attempts1,670,338
Puzzle Victories1,287,871
Attempt/Victory Ratio77%