Full list of all 66 To Be A King - Volume 1 achievements.
The base game contains 39 achievements, and there is 1 DLC pack containing 27 achievements.
Commit to Dinah
Reject Caudium's princesses and Helena
Pursue no love interests in Volume 1
Reject Isabella a second time
Completed Volume 1
Completed Chapter 7
Agree to marry Cassia and get Valentina too
Accept Aristhenes offer to plot a coup
Discover Marius's lover
Commit to Aelinia, Helena, and Isabella
Commit to Isabella
Commit to Flora
Commit to Eliana
Commit to all three of Caudium's princesses
Commit to all three of Caudium's princesses and Helena
Commit to Helena
Commit to Lydia
Completed Chapter 6
Lydia stays the night
Choose to return to Rashida
Completed Chapter 5
Choose to return to the goddess
Meet Cronut
Meet the Goddess
Commit to Aelinia
Commit to Cassia
Completed Chapter 4
Commit to Kaylan
Completed Chapter 3
Reject Aristhenes Alliance
Accept Aristhenes Alliance
Completed Chapter 2
Commit to Valentina
Completed Chapter 1
Meet Aristhenes
Get Engaged to Kaylan
Ask Aelinia to marry you
Commit to Kaylan after rejecting her
Completed Chapter 11
Accept Tullia's Path
Completed Chapter 10
Keep Isabella in Caudium
Completed Chapter 9
Completed Chapter 8
Get Betrothed to Estrid