OK GUYS HERE ARE THE CHEATS!!
chucknorris - god mode (everything mastered)
vindiesel - god mode
arnold - +5 strength
theflash - +5 agility
coffee - +5 energy
doctordoctor - +5 vitality
ironman - +5 armour
sensai - learns all skills
steroids - all attributes +5
upupandaway - level up
Another point. The healing skill does work! it requires a certain
amount of energy to use. So be wise with it!