On the first level there is an red happylander
at the start on the bottom after you get almost
all of the happy lander go where you found him
and at the back on him in the wall is an secret
room which is like a bonus room.
For this cheats, you must have original version of happyland
(NOT FROM HAPPYLAND XMAS EDITION MENU!!!)
Use this keys combinations (Use left Alt):
[Shift] + [Alt] + [O] - Open exit and add points
[Shift] + [Alt] + [S] - Dead
[Shift] + [Alt] + [+]or[-] (from Num keyboard) - +/- time.