Secretz
X	Y	Secret Type	Description of the location
0	20	Red Warp (RW)	The SecretTeleporterTrigger is under a tree. The RW will open south of the CheckPoint Switch . The RW will take you to the area where there are a few Coinz (Coinz #1 through #5) and a Blue Toggle Switch (BTS).
53	27	Question Mark Switch	Under an Ice Crystal, hidden behind a tree. It createz a stairway down into the area with five Rolling Snow Ballz (RSB), where you can pick up a Coin (Coin #12), releasez another RSB to toggle a Green Toggle Switch (GTS), (another Grunt will be able to reach another Coin (Coin #14) later), where a Red Brick is broken (Gauntletz are lost) and another Tool is found allowing the Grunt to acquire another Coin (Coin #13), and (much later) createz a Bridge to the island with the Warp Letter , a new set of Gauntletz and (very necessary) the return BW .
Note that a 'purist' would have exactly one Red Warp and exactly one Question Mark Switch in a puzzle.