Caesar III

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Caesar III
Caesar III cover
Impressions Games
Original Sierra Entertainment
Current Activision
Release dates
Windows October 1998
Mac OS (Classic) 1999
Modes Singleplayer
Pacing Real-time
Perspectives Bird's-eye view, Isometric
Controls Point and select
Genres Building
Themes Egypt, Europe, Classical
Series Caesar
Caesar III on IGDB
Caesar III guide on StrategyWiki
Caesar III on MobyGames
Caesar III on Wikipedia
Subseries of City Building (Sierra)
Caesar 1992
Caesar II 1995
Caesar III 1998
Caesar IV 2006


General information

Caesar 3 Heaven - A fan site for the game Community Discussions for game series Support Page
Steam Community Discussions


Source DRM Notes Keys OS
Disc check (requires the CD/DVD in the drive to play)
Mac OS
Icon overlay.png

Essential improvements[edit]


Patch version can be found here.
To install, simply drag and drop the contains of the archive over the original installation files

Skip intro videos[edit]

Instructions[citation needed]
  1. Go to <path-to-game>\smk\
  2. Delete or rename CREDITS.SMK,intro.smk, and Logo.smk


Supports Windows, MacOS X and Linux

Julius is an open source re-implementation of Caesar III based on SDL2. It does not fix some of the issues presented in the game itself, but it brings in a 32 bit windowed mode support and a widescreen support. The saved games from the original game are compatible with this software.

Game data[edit]

Configuration file(s) location[edit]

System Location
Windows <path-to-game>\[Note 1]
Mac OS (Classic)
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/517790/pfx/[Note 2]

Save game data location[edit]

System Location
Windows <path-to-game>\*.sav[Note 1]
Mac OS (Classic)
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/517790/pfx/[Note 2]

Save game cloud syncing[edit]

System Native Notes
GOG Galaxy
Steam Cloud


In-game video settings.
In-game video settings.


Change color depth[1]
  1. To play the game in Windowed mode, you have to run the game in 16-bit colour.
    • For Windows 8 and newer, enable the following compatibility settings for the C3.exe file (located in <path-to-game>: Reduced color mode (16-bit color).
    • For Windows Vista and 7, change the colour mode through the Screen resolution settings in the Control Panel.
    • For Windows XP, change the colour mode through the Display settings in the Control Panel.


Keyboard and mouse State Notes
See the glossary page for potential workarounds.
Mouse acceleration
Mouse sensitivity
Mouse input in menus
Mouse Y-axis inversion
Controller support
See the glossary page for potential workarounds.


In-game audio settings.
In-game audio settings.

Audio feature State Notes
Separate volume controls
Music, Speech, Sound effects and City sounds
Surround sound
On by default.
Closed captions
Mute on focus lost


Language UI Audio Sub Notes
Simplified Chinese
Local retail version only.
Separate UK and US versions.
Fan translation.
Dubbing, Interface and subtitles without broken fonts.
Local retail version only.
Brazilian Portuguese
Retail only - BraSoft release.
Local retail version only.
Local retail version only.

Issues fixed[edit]

Installation issues[edit]

Set compatibility mode[citation needed]
  1. Right-click setup.exe and choose Properties.
  2. Go to the Compatibility tab and choose Windows 98 / Windows Me.
  3. The installer should now work correctly.

Steam Overlay not working[edit]

Use dgVoodoo 2
  1. Download latest version and unpack archive.
  2. Go to MS folder and copy ddraw.dll to your game directory.
  3. Steam Overlay should now work correctly.
    • To remove dgVoodoo nag, you need to open dgVoodooCpl.exe and there untick dgVoodoo Watermark in DirectX tab.
Use Julius
  1. Download latest release version and unpack archive.
  2. Rename julius.exe to c3.exe and copy all files to your game directory.
  3. Steam Overlay will now work without any problems.
    • Julius also adds widescreen support, skips intro, fixes common problems and even removes DRM protection.

Game speed/Map scroll rate issue[edit]

Set the slider in-game[citation needed]

While in-game, press options and press speed option and move the game speed slider to adjust the game speed or scroll rate slider to adjust the scroll speed.

Music loops[edit]

Use IndirectSound[2]

Other information[edit]


Technical specs Supported Notes
DirectDraw 5 [citation needed]
[citation needed]
Executable 32-bit 64-bit Notes


Middleware Notes
Cutscenes Smacker

System requirements[edit]

Operating system (OS) 95
Processor (CPU) Intel Pentium 90 MHz
System memory (RAM) 16 MB
Hard disk drive (HDD) 150 MB
Video card (GPU) 1 MB of VRAM
DirectX 5 compatible
Mac OS
Operating system (OS) 7.6.1
Processor (CPU) PowerPC 601 100 MHz
System memory (RAM) 32 MB
Hard disk drive (HDD) 150 MB
Video card (GPU) SVGA


  1. 1.0 1.1 When running this game without elevated privileges (Run as administrator option), write operations against a location below %PROGRAMFILES%, %PROGRAMDATA%, or %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore on Windows Vista and later (more details).
  2. 2.0 2.1 File/folder structure within this directory reflects the path(s) listed for Windows and/or Steam game data (use Wine regedit to access Windows registry paths). Games with Steam Cloud support may store data in ~/.steam/steam/userdata/<user-id>/517790/ in addition to or instead of this directory. The app ID (517790) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.