- Year: 1993
- Platform: DOS
- Publisher: Impressions
- Developer: Edward Grabowski Communications Ltd.
- Theme: Managerial
Impressions’ conquer-the-universe game that could be considered a sequel to Global Domination, When Two Worlds War is not your typical divide-and-conquer game, although it still suffers somewhat from Impressions’ "Excel spreadsheet overload" syndrome evident in their early games.