Full list of all 30 Stronghold: Definitive Edition achievements.
The base game contains 26 achievements, and there are 2 DLC packs containing 4 achievements.
Kill 100,000 Units
Store 1,000 weapons in a single game
Store 10,000 wood in a single game
Get a population of 300
Kill 100 Bears
Complete Escape from Snake Island
Complete a Siege as Attacker
Complete a Siege as Defender
Complete an Invasion on Very Hard difficulty
Complete the Castle Trail
Complete The Agent of the Crown
Kill 10,000 Units
Complete Act IV of the Main Campaign
Complete Act III of the Main Campaign
Amass 10,000 gold in a single game
Complete Act II of the Main Campaign
Kill the Jester
Complete Act I of the Main Campaign
Complete an Economics mission on Very Hard difficulty
Complete the Economic Campaign
Complete the Tutorial
Store 1,000 food in a single game
Win a Mulitplayer Game
Win a Multiplayer game against 7 opponents
Kill 1,000,000 Units
Make a map and upload it to the Steam Workshop
Complete Swine's Bay
Complete the 'Home Fires' Economic Campaign
Complete the 'Noble Trail'
Complete Valley of the Wolf