Tatsu Park is a large park of the town. It is the location of a couple of achievements.
The following achievements can be unlocked there:
Appreciate the Landscape.
Sit down on the bench in Tatsu Park.
Find a handful of dirt.
Search the shrubbery in Tatsu Park.
Find a mysterious orb.
Search the Pavillion three times, or until the option disappears.
Acquire the Bloody Bandage.
Search the mysterious hatch. Open it by pressing Button 1, Button 2, and turning the handle Counter-Clockwise.
THIS ACHIEVEMENT IS LOCKED ONCE THE TRUE ENDING HAS BEEN SEEN!