Here is the full list of all 28 Civil War: 1863 achievements.
Kill an enemy General in a game versus the AI.
Destroy 3 enemies without a loss in a game versus the AI.
Destroy 8 enemies without a loss in a game versus the AI.
Destroy 12 enemies without a loss in a game versus the AI.
Complete First Strike Campaign as CSA.
Complete First Strike Campaign as US.
Complete To Arms! Campaign as CSA.
Complete To Arms! Campaign as US.
Complete Arsenal Campaign as CSA.
Complete Arsenal Campaign as US.
Complete Stalemate Campaign as CSA.
Complete Stalemate Campaign as US.
Complete Hoorah! Campaign as CSA.
Complete Hoorah! Campaign as US.
Complete Rebel Yell Campaign as CSA.
Complete Rebel Yell Campaign as US.
Complete Victory Road Campaign as CSA.
Complete Victory Road Campaign as US.
Complete Last Stand Campaign as CSA.
Complete Last Stand Campaign as US.
Complete Grand Command Campaign as CSA.
Complete Grand Command Campaign as US.
Complete Leviathan Campaign as CSA.
Complete Leviathan Campaign as US.
Complete Bonus Campaign as CSA.
Complete Bonus Campaign as US.
Complete 10 scenarios on Hard difficulty.
Complete 30 scenarios on Hard difficulty.