New puzzle type – Arrow Web.
We have also added 140 other new puzzles since the previous update: Samurai Sudoku (101-120), ABC End View (76-90), Bricks (76-90), Mathrax (76-90), Straights (76-90), Eulero (76-90), Double Block (76-90), Tenner Grid (76-90), Hakyuu (76-90).

Fixed all known issues. The website design has been updated with a few minor tweaks.

New puzzle type – Trinudo.
We have also added 120 other new puzzles since the previous update: Context (61-75), Sudoku (461-480), Skyscrapers (75-90), Windoku (100-120), Hidoku (106-120), Sukaku (80-100), Trace Numbers (61-75).

New puzzle type – Trace Numbers.
We have also added 145 other new puzzles since the previous update: Sukaku (61-80), Knossos (61-75), Simple Loop (61-75), Killer Sudoku (121-140), Suguru (91-105), Greater-Than Sudoku (71-80), Kropki Sudoku (71-80), Frame Sudoku (71-80), Unlike Mosaic (61-75), Airando (61-75).

Added sorting in the puzzle settings filter. Minor changes have also been made to the website design.

New puzzle type – Context.
We have also added 120 other new puzzles since the previous update: Tapa (61-75), Sudoku X (181-200), Battleships (61-75), Jigsaw Sudoku (161-180), Kinkonkan (61-75), Flower-4 Sudoku (61-80), Number Snake (61-75).

New puzzle type – Unlike Mosaic.
We have also added 160 other new puzzles since the previous update: Sensei Sudoku (61-80), Square Jam (61-75), Tridoku (61-80), Double Block (61-75), Wing-3 Sudoku (61-80), Number Cross (61-75), Samurai Sudoku (81-100), Wamuzu (61-75), Sudoku (441-460).

New Sudoku variant – Sukaku.
We have also added — other new puzzles since the previous update: Sudoku (421-440), Hitori (121-140), Firumatto (61-75), Doubledoku (61-80), Mintonette (61-75), Twodoku (61-80), Haunted Castle (61-75).

New puzzle type – Kinkonkan.
We have also added 150 other new puzzles since the previous update: Suguru (76-90) Samurai Sudoku (61-80), Tasukuea (61-75), No Neighbors (81-100), Kurotto (61-75), Tenner Grid (61-75), Frame Sudoku (61-70), Kropki Sudoku (61-70), Greater-Than Sudoku (61-70), Snowflake Sudoku (81-100).

Fixed an error in filters operation.

New puzzle type – Number Snake.
We have also added 140 other new puzzles since the previous update: Nonconsecutive Sudoku (81-100), Argyle Sudoku (81-100), Low-High Sudoku (81-100) Asterisk Sudoku (81-100), Anti-Knight Sudoku (81-100), Bold X Sudoku (81-100), Center Dot Sudoku (81-100).