Here is the full list of all 15 Tavernier achievements.
Beat the game in 52 weeks
Beat the game
Meet two different faction leaders
Make a second wish!
Make a wish!
Beat the game in less than 40 weeks
Meet the spirits' leader
Meet the zombies' leader
Reach 400 customers and 100% cool
Reach 100% tipping power and 100% pro
Stock more than 100 mana
Buy 24 ingredients
Buy 30 ingredients
Shrug 20 times across games
Reach both 100%cool and 100%pro in a single game