Press Tab and use the following codes:
All magic and 999 spell points: nwctim
All sources increased: nwcshrubbery
All buildings in castle: nwconlyamodel
Full map: nwcgeneraldirection
Full secret item map: nwcalreadygotone
Instant failure: nwcsirrobin
Instant win: nwctrojanrabbit
Infinite move points: nwccoconuts
Brighter colors: nwcphisherprice