Harmful Park

Harmful Park
Developer: Sky Think System Publisher: Sky Think System Platform: PlayStation Released in JP: February 14, 1997 This game has hidden development-related text. This game has a hidden level select.

Harmful Park is known for being a rather cute and charming shmup, with loads of weird gimmicks and unique gameplay mechanics. It's also known for being one of the hardest titles to find for the PlayStation, though it can be found on the PlayStation Store thankfully.

Test Mode

Highlight Exit in the options menu. Then press, R1, R2, L1, L2, R1, L2, followed by Circle to access a Test Mode menu. Here, the player can go to any level, see any intermission and the ending, and view the bonus illustrations when completing a level perfectly.

(Source: Shingata Kururinpa)

Dev Text

The game's main executable, HARMFUL.EXE, has some small debug HUDs present at 0x1368 and 0x2780.

        D OBJ= %d
         O OBJ=%d
          PRIM=%d
DOBJ STS[%d] = %d
OOBJ STS[%d] = %d
PRIM STS[%d] = %d

SEQG=%d
 SEQ=%d
SPRG=%d
 SPR=%d