Here is the full list of all 31 Honey, I Joined a Cult achievements.
Have the entire cult at very good quality or higher. Minimum of 5 cultists.
Trigger any Finale.
Trigger a Peace & Love Finale.
Collect $1 Million cumulative.
Reach maximum follower count.
Have a room achieve maximum prestige level (20).
Complete 15 leader demand quests.
Place 100 total decor items.
Generate 100,000 faith cumulative.
Reach 750 PR in a single save.
Reach maximum cultist count including special characters.
Collect a total of 50 decorative objects.
Build every non-theme room in a single save.
Remove a trait or quirk using the ministry of alteration.
Research 50 unlocks in the research tree.
Dismiss cultists or followers 50 times.
Recruit a cultist of Good quality or higher.
Experience a protest or raid.
Experience 5 mood breaks.
Complete a mission.
Complete the tutorial.
Trigger a Darkness Finale.
Trigger a Futurist Finale.
Collect 100,000 Influence cumulative.
Recruit 50 cultists total.
Complete a 5 star sermon.
Complete a total of 100 missions.
Use leader abilities 50 times.
Place 50 outdoor furnishings.
Generate 300 PR via the ministry of propaganda.
Have a cult fail on its journey.