The first puzzle type of this month is Haunted Castle.
Since the last update, we’ve also added another 170 puzzles: Sudoku (321-360), Killer Sudoku (61-80), Sudoku X (121-140), Jigsaw Sudoku (101-120), Eulero (61-75), No Neighbors (61-80), Renban (76-90), and Super Samurai Sudoku (21-40).

The second puzzle type of this month is Tasukuea.
We’ve also added another 135 new puzzles since the last update: Tents and Trees (51-70), Bricks (61-75), Tridoku (41-60), Wing-3 Sudoku (41-60), Wing-5 Sudoku (21-40), Windmill Sudoku (21-40), Samurai Sudoku (41-60).

The new puzzle type of this update is Mintonette.
We’ve added another 155 new puzzles since the last update: Frame Sudoku (41-50), Greater-Than Sudoku (41-50), Bold X Sudoku (41-60), Nonconsecutive Sudoku (41-60), Twodoku (41-60), Doubledoku (41-60), Sensei Sudoku (41-60), Mochikoro (46-60), 2D Sudoku (41-60).

The new puzzle type of this update is Firumatto.
Since the previous update, we’ve added another 140 new puzzles: Sudoku (301-320), Butterfly Sudoku (21-40), Anti-King Sudoku (41-60), Flower-4 Sudoku (21-40), Argyle Sudoku (41-60), Sohei Sudoku (21-40), Asterisk Sudoku (41-60)

The new puzzle type of this update is Killer Sudoku: (01-60).
Since launching the website, we’ve added another 180 new puzzles: Sudoku (281-300), Odd-Even Sudoku (41-60), Jigsaw Sudoku (81-100), Anti-Knight Sudoku (41-60), Center Dot Sudoku (41-60), Snowflake Sudoku (41-60), Low-High Sudoku (41-60), Skyscrapers Sudoku (41-60), Disjoint Groups Sudoku (41-60).