I'd also like to see a game set during the cold war about intelligence agencies. You choose a country/agency (eg. CIA for the US, British SIS, KGB for Russia, etc) and then focus on recruitment, training, intel gathering, counterintelligence, and staging covert operations. You can make alliances, under-the-table backroom deals, trade intel, leak intel to countries you'd rather not ally with, stage coups and prop up friendly regimes, trade weapons and train the soldiers/guerrillas of developing countries, secure valuable resources, sabotage foreign installations, infiltrate other agencies as well as screen your own for infiltrators, spy on your allies, flip enemy agents, kidnap/grant political asylum to key informants and scientists, order political assassinations, hunt down rogue agents, stage covert black flag operations on friendlies to publicly blame on your enemies to not only discredit their image in the world's eyes but also provide an opening for intervention, fight your enemies in terms of "Public Image", fight proxy wars with other nations, make overt political moves to force your enemies' hand, or even work with your enemies to squash upstart countries/agencies that threaten the status-quo. Let's even throw in sabotaging/influencing your own country (eg. discrediting rival agencies and obstinate politicians or military officers, doing favors for/coercing politicians and military officers, or influencing the election/promotion of those politicians and military officers) so that your agency can acquire more funding or political pull to further your own agenda.