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 1,010,355
2. Mark 999,542
3. ejsantos123 889,139
4. Megerian 831,539
5. Ficko 791,802
6. shengli03 721,917
7. Strange Yeah 578,594
8. shy1639 523,725
9. Rincewind 517,928
10. mbjenn1ngs 515,466
Country Rankings
1. Germany 3,065,674
2. China 2,031,981
3. United States 1,482,828
4. Ukraine 1,152,553
5. Portugal 1,003,554
6. Slovenia 999,542
7. Romania 845,741
8. Australia 651,773
9. France 526,284
10. Croatia 346,507
Site Statistics
Puzzle Packs619
Total Puzzles51,977
Unsolved Puzzles0
Puzzle Attempts1,865,727
Puzzle Victories1,250,255
Attempt/Victory Ratio67%