Here is the full list of all 23 Total War Battles: SHOGUN achievements.
Complete all skirmish battles in Normal difficulty.
Complete all skirmish battles in Hard difficulty.
Complete all skirmish battles in Shogun difficulty.
Complete all challenges.
Complete all the campaign levels with a 3 star rating.
Complete all the campaign levels.
Complete the campaign.
Purchase all the upgrades for one building.
Spot 3 or more Ninja with the same Monk unit.
Complete the second chapter.
Complete the first chapter.
Complete a survival level as your general is being attacked.
Kill 5 or more enemy units with the same Samurai unit.
Complete a side level in the campaign.
Move a Cannon into the enemy's base.
Promote the same unit twice using the Veteran order.
Destroy a building using a Cannon.
Sneak through an enemy unit with a Ninja.
Complete a skirmish battle in any difficulty.
Deploy an elite unit.
Purchase your first upgrade.
Complete a campaign level with a 3 star rating.
Achieve your first victory.