Countries

SED-led one-party state with a 500-seat Volkskammer elected on the single National Front list, four approved bloc parties, six regions, a planned economy, and Warsaw Pact founding membership. Playable in the 1953 and 1979 presets.

One-party socialist union governed by the CPSU: a bill-active bicameral Supreme Soviet, 17 macro-regions, a Gosplan command economy, and permanent command of the Warsaw Pact. Playable in the 1953 and 1979 presets.

Westminster parliamentary democracy across four nations — 650 Commons seats, confidence votes, and a Prime Minister.

Federal presidential republic with 50 states, a bicameral Congress, and a directly elected President.