English versions for both Crocodile Garden and Marble Seals were recently posted on Anahara Masataka's home page. Fans of Sokoban would be interested in the former, a game about transporting alligators to their watery abodes.

Obstacles block your way frequently but these can be pushed away using bulldozers which only moves forward or backwards. Climb into a vehicle from it's sides, and grab a reptile using the enter key. [original review]

Crocodile Garden download page