Well there's one that sorta fudging weird....but all these glitches are for VIP only. Have your OPK on before readying/starting game and then when you go in, the map is like deformed....I don't know if you guys found this already, but oh well, let me post the pics.
Notice here theres gray shadows here and stuff
Notice here that that gray stuff is actually water.
Theres also a glitch (remember,VIP only) that if you superjump next to one of Alpha's doors, you can go inside the huge rock thing, see them but they can't see you. Looks like this.
I'll get a tutorial on how to do it and more pics later.