I would love to tell you more, but then, of course, I'd have to kill you.
Successfully complete 10 missions with 5 stars in a single campaign
Complete the campaign on Regular difficulty
Complete the campaign on Elite difficulty
Successfully complete 50 different campaign missions
Successfully complete 30 different campaign missions with 5 stars
Successfully complete 10 different campaign objectives
Recruit all characters
Move a total distance of 5000km across the campaign map
Earn 1000 supplies
Buy 15 items of apparel
Complete 15 tasks
Successfully complete 15 missions in a single campaign
Land 6 different shots with less than 25% chance-to-hit
Kill 3 unique enemies with a single explosion 6 times
Kill 5 unique enemies in a single turn 6 times
Successfully complete a mission in 6 turns or less
Kill 500 unique enemies
Kill 50 unique enemies using melee
Kill 50 unique enemies using explosives
Kill 50 unique enemies while in stealth
Destroy 15 unique vehicles
Raise 5 regions to max influence simultaneously
Destroy 33 unique explosive barrels
Reach max relations with the Radicals
Reach max relations with the Gaullists
Reach max relations with the Criminals
Raise 4 characters to max level in a single campaign
Play 50 days in the campaign
Complete the campaign on Recruit difficulty
Successfully completed 10 missions with 5 stars in a single campaign
Completed the Campaign on Regular difficulty
Completed the Campaign on Elite difficulty
Successfully completed 50 different campaign missions
Successfully completed 30 different campaign missions with 5 stars
Successfully completed 10 different campaign objectives
Recruited all characters
Move a total distance of 5000 km across the campaign map
Earned 1000 supplies
Bought 15 items of apparel
Completed 15 tasks
Successfully completed 25 missions in a single campaign
Landed 6 different shots with less than 25% chance-to-hit
Killed 3 unique enemies with a single explosion 6 times
Killed 5 unique enemies in a single turn 6 times
Successfully completed a mission in 6 turns or less
Killed 500 unique enemies
Killed 50 unique enemies using melee
Killed 50 unique enemies using explosives
Raised 7 regions to max influence simultaneously
Killed 50 unique enemies while in stealth
Destroyed 15 unique vehicles
Destroyed 33 Explosives Barrels
Reached max relations with the Radicals
Reached max relations with the Gaulists
Reached max relations with the Criminals
Raised 6 characters to max level in a single campaign
Played 50 days in the campaign
Completed the Campaign on Recruit difficulty
