Online Tournaments
- logicmastersindia.com – Indian online sudoku and logic puzzle tournaments. Authors from all over the world
- logic-masters.de – German online portal with various sudoku and logic puzzles
- janko.at – thousands of puzzles, that can be solved online
- fed-sudoku.eu – every day online sudoku
- puzzleduel.club – every day a new puzzle
- sudokumaniancs.com – A handcrafted classic sudoku and a handcrafted variant sudoku every day, with online solving.
- argio-logic.net – Italian online tournament every week, classics, hybrids and headshrinker
- puzzlefountain.com – almost every week online tournaments with logic puzzles, occasionally also sudoku tournaments
- e-sudoku.fr – French web site with online classic sudoku
- killersudokuonline.com – online source of killer sudoku puzzles
- kwontomloop.com – every day source of Slitherlink puzzles
- speedsudoku.com – speed sudoku for 2-8 players
- cs.sudokucup.com – Czech online sudoku tournament – twice a year
- forsmarts.com – logic games and puzzles by V. Portugalov
- puzzleup.com – Turkish online logic puzzles tournament
- oneuppuzzle.com – daily One Up puzzles by Rodolfo Kurchan
Related Pages
- conceptispuzzles.com – Various logic puzzles
- motris.livejournal.com – Thomas Snyder’s blog
- valezius.blogspot.com – Zoltán Horváth’s blog
- ukpuzzles.org – Official web page of the UK puzzle association
- logic-puzzles.ropeko.ch – Roger Kohler’s puzzle list