Puzzles in which Kou is on the podium in the ranking based on moves

Also check the puzzles where Kou is in a specific place in the ranking based on moves:
and in the ranking based on time:

Brick home with white columns and arched entry online puzzleWroclaw online puzzleTallinn puzzle online from photoThe decorated houses of old Sana online puzzleTICKETSUA online puzzlegame week online puzzlesolve it... puzzle online from photo