Bombard an adjacent enemy region. Damage is split 75% military units / 25% buildings, with diminishing returns at high volumes. No artillery is consumed, but each piece enters a 10-minute cooldown after firing. The enemy always receives a report.
Launch ballistic missiles at an enemy region. On average, each missile destroys half a building (regular buildings only, not special ones). The enemy always receives a report and sees your name.
Send bombers to destroy enemy infrastructure. Each bomber destroys 5 special buildings (train stations, airfields, harbors), distributed proportionally across what's available. On failure, you lose 5% of the deployed bombers. The enemy always receives a report; your name is hidden on success.
Send strategic bombers on a long-range strike. Each bomber destroys 5 special buildings (train stations, airfields, harbors). Same mechanics as Bomber Attack but with much greater range. On failure, you lose 5% of the deployed bombers. The enemy always receives a report; your name is hidden on success.
Send a spy team into an enemy region to reveal their full unit, building, and defense layout. On failure, the enemy is alerted.
Deploy snipers behind enemy lines. Each sniper kills 5 enemy soldiers. On failure, you lose 5% of the deployed snipers. The enemy always receives a report; your name is hidden on success.
Annihilate an enemy region with a nuclear strike. On success, every unit and building is destroyed, the region is rendered uninhabitable, and the enemy permanently loses ownership of it. Your name is always shown to the target.
Send submarines to sink enemy destroyers. Each submarine sinks 1 destroyer. On failure, you lose 5% of the deployed submarines. The enemy always receives a report; your name is hidden on success.
Run a deep intelligence operation against an enemy. Reveals their empire-wide cash, food, wood, steel, and population, plus every report they filed in the last 24 hours. Cost scales with how many regions the target controls. On failure, the enemy is alerted.
Bombard a coastal enemy region with cruisers. Damage is split 75% military units / 25% buildings, with diminishing returns at high volumes. Cruisers are not consumed but enter a 10-minute cooldown after firing. The enemy always receives a report.