Unpack the included rar file into your SunAge directory, accept to
overwrite if/when asked.
1. Start game.
2. Click on the Campaign box
3. Pick any mission you want to play of all 3 races
This will unlock all campaign missions in the game. download the file: sungagepc-uc.zip
(to unpack archives use: WinZip,WinAce, WinRar)