Here is the full list of all 36 Travellers Rest achievements.
Get 50 simultaneous customers in your tavern.
Rent 100 rooms.
Earn 800 gold coins.
Reach the maximum training level of a bird for the first time.
Brew 100 kegs of beer.
Overnight 10 times.
Serve 1000 meat dishes.
Incubate an egg until it hatches.
Harvest 50 corn plants.
Harvest 300 crops.
Serve 1000 veggie dishes.
Earn 100 gold coins.
Deliver 20 orders.
Kick out 30 angry customers.
Clean 200 tables.
Reach the highest level of affinity with your cat.
Cut 1000 weeds.
Craft 50 items.
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.