A list of great resources about puzzles, brainteasers and brain training games to play online.
- https://github.com/sharkdp/quizzity A geographical quiz where you have to guess the location of capitals and big cities around the world
- https://github.com/sharkdp/cube-composer Compose a series of transformations to reach a given result of cubes.
- https://github.com/tobspr/shapez.io shapez.io is an open source base building game inspired by factorio! Available on web & steam
- https://brainsporthero.com/mix/list Multiple brain games to play online as PWA
- https://puzzles.brainsporthero.com Easy acces just start to train your brain with an endless list of exercises.
- https://github.com/PseudoFish/Hodoku
- https://sudoku1on1.com Play sudoku against other player on the same board at the same time. Fight for every cell. Fill the numbers
- https://github.com/grpistoia/SpreadsheetGames
- www.sudoku.org.uk
- www.sudokulive.net
- https://www.quizly.de Create and manage your own quiz and trivia sets.
- https://www.quizdb.org
- https://www.quizdb.eu Database with quiz and trivia questions in german and english language.
- https://en.wikipedia.org/wiki/Zebra_Puzzle
- http://www.brainbrix.com New kind of logical puzzles like sudoku with different rules to fill a honey comb board.