Deep

http://www.kongregate.com/games/JGames/deep

I found so far:

Health.
You start with 10 HP. Each Upgrade "Max Health" gives you +1 HP.
Search for Double.
(offset 370)

Upgrade Points
Search for 4 Byte. ( *1 ).
(offset 238) - this may help finding it, after you found your HP.