Windows 3.1 also work for Windows 98. Click on the screen and type. You cannot see your typing, but it works anyway. ..

Enter during play:

beauregard - all the people in your park turn blue
catsndogs - 200 random things are added to your park
hialiens - cause an alien message to appear
paveme - turns plant like into packed earth tiles
rizme - makes Rizzo appear on demand
sdi - gets rid of alien messages
warbucks - gives maximum amout of money

Thanks to Revolution readers Evan and Sindy!