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 1,012,202
2. Mark 1,002,922
3. Megerian 955,190
4. ejsantos123 912,948
5. Ficko 781,006
6. shengli03 708,913
7. Strange Yeah 583,488
8. Rincewind 561,884
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10. shy1639 513,407
Country Rankings
1. Germany 3,240,879
2. China 1,998,766
3. United States 1,486,334
4. Ukraine 1,170,857
5. France 1,068,017
6. Portugal 1,027,319
7. Slovenia 1,002,926
8. Australia 919,974
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10. Singapore 375,927
Site Statistics
Puzzle Packs622
Total Puzzles52,241
Unsolved Puzzles1
Puzzle Attempts2,056,254
Puzzle Victories1,250,255
Attempt/Victory Ratio61%