Cheat mode:
Press [Ctrl] + [Shift] + C during game play to display a prompt in the upper left corner of the screen. Enter one of the following codes to activate the corresponding cheat function. Note: Enter [Exclamation point] at the prompt to repeat the last cheat entered. Enter a [Semi-colon] between codes to enter multiple codes at the same time. Additionally, most of the codes will only work with the unpatched version of the game.

Result
 Code
 
1000 Simoleons (unpatched game version)
 klapaucius
 
1000 Simoleons (patched game version)
 rosebud 
 
Add new family history stat to the current family 
 hist_add
 
Appends the route destination list to AllRoutes.txt every time a route is found 
 write_destlist
 
Architecture tools automatically set the level as needed 
 auto_level
 
Automatically import and load indicated FAM file 
 import 
 
Automatically load indicated house, no questions asked 
 house 
 
Check and fix required lot objects
 prepare_lot 
 
Completely flush app to VM file when running Windows NT 
 flush
 
Crash game
 crash
 
Create moat or streams
 water_tool 
 
Create shrunk_text_#.bmp files
 shrink_text   
 
Create-a-character mode
 edit_char 
 
Display personality and interests
 interests 
 
Draw all animation frames disabled
 draw_all_frames off 
 
Draw all animation frames enabled
 draw_all_frames on 
 
Draw colored dots at each person's origin
 draw_origins
 
Dump entire memory to core_dump_[date:time].txt 
 core_dump
 
Dump selected person's most recent list of scored interactions to a file 
 dump_happy
 
Dump selected person's motive contribution curve to a file 
 dump_mc
 
Enable debug flag to show outcome choice dialogs for social interactions 
 debug_social
 
End sim logging
 sim_log end 
 
Execute "file.cht" file as a list of cheats 
 cht 
 
Floorable grid disabled
 draw_floorable off 
 
Floorable grid enabled
 draw_floorable on 
 
Force an assert for testing
 assert 
 
Log animations in the event log window
 log_animations
 
Map editor disabled
 map_edit off 
 
Map editor enabled
 map_edit on 
 
Move any object
 move_objects on 
 
No tutorial object generation when tutorial house is loaded 
 tutorial off
 
Prevent web browser crashes
 browser_failsafe 
 
Preview animations disabled
 preview_anims off 
 
Preview animations enabled
 preview_anims on 
 
Programmer stats
 tile_info 
 
Quit game
 quit
 
Read in behavior tuning constants from Tuning.txt 
 #import
 
Rebuilds entire control panel/UCP from scratch 
 rebuild_cp
 
Refresh the BMP_ resources for all people whose IFF files are writable 
 refresh_faces
 
Rematch dependent textures and regenerate bitmaps for all user characters 
 refresh_textures
 
Restore tutorial
 restore_tut 
 
Rotate camera
 rotation <0-3> 
 
Routing debug balloons disabled
 route_balloons off 
 
Routing debug balloons enabled
 route_balloons on 
 
Run series of random operations on unhoused families 
 fam_test 
 
Save currently loaded house
 save 
 
Save family history file
 history 
 
Say "plugh"
 plugh 
 
Say "porntipsguzzardo"
 porntipsguzzardo 
 
Say "xyzzy"
 xyzzy 
 
Selected person's path displayed
 draw_routes on 
 
Selected person's path hidden
 draw_routes off 
 
Set event logging mask
 log_mask 
 
Set free thinking level
 autonomy <1-100> 
 
Set game speed
 sim_speed <-1000-1000> 
 
Set grass change value
 edit_grass : 
 
Set grass growth
 grow_grass <0-150> 
 
Set lot size
 lot_size  
 
Set maximum milliseconds to allow simulator 
 sim_limit  
 
Set time of day (unpatched game version)
 set_hour <1-24>
 
Set z offset for thought bubbles
 bubble_tweak  
 
Sets the neighborhood directory to the path 
 
 
Sets up the borders of the lot with non-editable flag. Requires rotation 
 lot_border  
 
Sets whether menu items appear for in use objects 
 allow_inuse
 
Show memory view window in debug builds of the game 
 memview
 
Start sim logging
 sim_log begin 
 
Swap the two house files and updates families 
 swap_houses   
 
Ticks disabled
 sweep off 
 
Ticks enabled
 sweep on 
 
Tile information displayed
 tile_info on 
 
Tile information hidden
 tile_info off 
 
Toggle allowing visitors to be controlled using the keyboard 
 visitor_control
 
Toggle assets report
 report_assets 
 
Toggle automatic object reset feature 
 auto_reset
 
Toggle calls to PeekMessage within sim loop 
 sim_peek
 
Toggle camera mode
 cam_mode 
 
Toggle display of unavailable interactions in person control menus 
 all_menus
 
Toggle music
 music 
 
Toggle object compression in save file 
 obj_comp
 
Toggle quaternion transformations
 quats 
 
Toggle sound log window
 sound_log 
 
Toggle sounds
 sound 
 
Toggle web page creation
 html 
 
Total reload of people skeletons, animations, suits and skins 
 reload_people
 
Trigger sound event
 soundevent 
 
Hear your Sims say "I hate you"
 word_say_ihateyou
 
Write out an RTE file every time a route is found 
 write_routes
 
Write out behavior tuning constants to Tuning.txt 
 #export