Here is the full list of all 36 Travellers Rest achievements.
Brew 100 kegs of beer.
Cut 1000 weeds.
Earn 100 gold coins.
Earn 800 gold coins.
Clean 200 tables.
Serve 1000 meat dishes.
Serve 1000 veggie dishes.
Reach the highest level of affinity with your cat.
Reach the maximum training level of a bird for the first time.
Incubate an egg until it hatches.
Harvest 50 corn plants.
Harvest 300 crops.
Deliver 20 orders.
Rent 100 rooms.
Kick out 30 angry customers.
Craft 50 items.
Overnight 10 times.
Get 50 simultaneous customers in your tavern.
Obtain your first fishing rod.
Catch 10 different types of fish.
Catch 25 different types of fish.
Pick up 20 pieces of junk.
Pick up 60 pieces of junk.
Catch a minimum-sized fish.
Catch a maximum-sized fish.
Obtain a fishtank.
Obtain five different fishtanks.
Serve 1000 seafood dishes.
Light the fire in the Tavern Keeper King's temple.
Spend 50 Recipe Fragments at the temple.
Plant 50 trees.
Dig 50 holes.
Purchase 50 decorations from Wilson.
Catch 200 fish.
Hire an employee of each type.
Get your tavern to comfort level 200.