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 1,009,211
2. Mark 1,005,577
3. Megerian 956,765
4. ejsantos123 924,794
5. Ficko 788,761
6. shengli03 721,007
7. Strange Yeah 579,024
8. Rincewind 552,477
9. shy1639 522,973
10. mbjenn1ngs 515,424
Country Rankings
1. Germany 3,234,657
2. China 2,030,445
3. United States 1,487,392
4. Ukraine 1,161,716
5. Portugal 1,039,206
6. Slovenia 1,005,577
7. Romania 847,788
8. Australia 817,276
9. France 552,824
10. Singapore 368,179
Site Statistics
Puzzle Packs621
Total Puzzles52,100
Unsolved Puzzles0
Puzzle Attempts1,926,116
Puzzle Victories1,250,255
Attempt/Victory Ratio65%