Unfortunately, as an AI language model, I do not have the capability to access websites or browse the internet. However, I can provide you with some general information about puzzle websites.

Puzzle websites like https://puzzles.themerex.net/ typically offer a wide variety of puzzles for users to solve, including crossword puzzles, jigsaw puzzles, Sudoku, and more. These websites are popular among puzzle enthusiasts who enjoy challenging themselves and keeping their minds sharp.