Enter the cheat code by first pressing  [Ctrl] + [Shift] + [Alt] + [C]. An input box will appear on the upper left corner of your screen. Then enter the code the way it is written and after you type the code hit the [Enter] button on your keyboard. Note: Enter [!] at the prompt to repeat the last cheat entered. Enter a [;] between codes to enter multiple codes at the same time.

• KLAPAUCIUS - Gives you 1000 Simoleons (NOTE: changed to rosebud in the patched version of the game and Livin' Large.)
• WATER_TOOL - Puts water around your home
• SET_HOUR # - where # is put Values 1-24
• SET_SPEED # - where # is put Values -1000 - +1000
• INTERESTS - Lets you change there personalities and interests that aren't listed in the menu
• AUTONOMY # - where # is put Values 0-100 -How much the Sims think on their own
• GROW_GRASS # - where # is put Values 0-150
• MAP_EDIT ON - Self explanatory
• MAP_EDIT OFF - Self explanatory
• ROUTE_BALLOONS ON - Self explanatory
• ROUTE_BALLOONS OFF - Self explanatory
• SWEEP - Shows the "ticks" in the game (Values on/off)
• DRAW_ALL_FRAMES - Self explanatory
• TILE_INFO - Self explanatory
• LOG_MASK - Set event logging mask.
• bubble_tweak [z offset] - sets the z value used to offset the sims' thought bubbles
• report_assets - enables or disables assets report.
• quats - enables or disables quaternion transformations.
• lot_border [tl] [tr] [bl] [br] - sets up the borders of the lot with non-editable flag. requires rotation
• swap_houses [house#] [house#] - swaps the 2 house files and updates families
• prepare_lot - checks for required objects on the current lot and deletes come and see me objects
• lot_size [size] - change the lot size
• edit_char - create a character mode
• edit_grass [increment] - turn on mode for editing grass tiles. Increment sets number value by which to change the grass
  ! - Repeats last cheat code entered
• To get lots of money do this:
   
  • Enter in the cheat input box: KLAPAUCIUS;!;!;!;!;!;!;!;!;!;!;!;!;!;!;!;!;!;!;!;!;!;!;!;!
    • NOTE: changed to rosebud in the patched version of the game.
  • That will give you $25,000 +/-
  • Then repeat that with more [!] if you want more money.

  It is a good idea to use Notepad and make yourself a "cheat.txt" file to keep all the cheats in there so you can just copy and paste them into the input box.