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 1,014,703
2. Mark 1,002,355
3. Megerian 950,154
4. ejsantos123 907,695
5. Ficko 778,583
6. shengli03 703,559
7. Strange Yeah 590,206
8. Rincewind 565,878
9. mimil 549,166
10. mbjenn1ngs 515,268
Country Rankings
1. Germany 3,250,142
2. China 1,984,760
3. United States 1,491,277
4. Ukraine 1,173,485
5. France 1,142,870
6. Portugal 1,022,028
7. Slovenia 1,008,870
8. Australia 928,671
9. Romania 841,133
10. Serbia 382,268
Site Statistics
Puzzle Packs628
Total Puzzles52,456
Unsolved Puzzles12
Puzzle Attempts2,110,971
Puzzle Victories1,250,255
Attempt/Victory Ratio59%