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 1,011,316
2. Mark 1,004,331
3. Megerian 955,488
4. ejsantos123 916,762
5. Ficko 783,103
6. shengli03 711,998
7. Strange Yeah 579,450
8. Rincewind 558,542
9. shy1639 515,751
10. mbjenn1ngs 515,363
Country Rankings
1. Germany 3,237,975
2. China 2,006,895
3. United States 1,482,426
4. Ukraine 1,172,154
5. Portugal 1,031,155
6. Slovenia 1,004,331
7. France 995,042
8. Australia 915,833
9. Romania 843,514
10. Singapore 375,245
Site Statistics
Puzzle Packs622
Total Puzzles52,200
Unsolved Puzzles0
Puzzle Attempts2,033,114
Puzzle Victories1,250,255
Attempt/Victory Ratio61%