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 1,010,737
2. Mark 1,004,804
3. Megerian 959,543
4. ejsantos123 920,919
5. Ficko 785,433
6. shengli03 717,365
7. Strange Yeah 579,364
8. Rincewind 557,391
9. shy1639 520,017
10. mbjenn1ngs 515,383
Country Rankings
1. Germany 3,241,148
2. China 2,020,237
3. United States 1,485,714
4. Ukraine 1,164,321
5. Portugal 1,035,323
6. Slovenia 1,004,804
7. Australia 914,108
8. Romania 846,500
9. France 699,638
10. Singapore 374,216
Site Statistics
Puzzle Packs622
Total Puzzles52,186
Unsolved Puzzles1
Puzzle Attempts1,974,627
Puzzle Victories1,250,255
Attempt/Victory Ratio63%