YAPP2: Yet Another Pushing Puzzler is the second game of YAPP series. (A series of games with awful artwork, challenging puzzles, and the same initials.)
It is not a sequel of the puzzle platformer, but the puzzles are designed in a similar way.
(For example, The last level in world 4 is also adapted from a bug, like what I did in YAPP1.)
YAPP2: Yet Another Pushing Puzzler