The mod team has recently decided to make Sunky 1, 2 and 3 part of the same game. The new URL is speedrun.com/sunky_the_game and all current runs have been filed under Part 1 (old any%.)

why is there no catagory for part 3?

@SeijakuEden We had an error when trying to add the third part and there was no demand to add it, so we didn't. We've now added the third part of the game.