Full list of all 36 Knights and Bikes achievements worth 1,000 gamerscore. It takes around 10-12 hours to unlock all of the achievements on Xbox One.
Complete Day 6
Complete Day 5
Find all the Treasure Tins In The Quarry
Damage an Enemy with a splash of Goose Poop
Possess all the different types of Enemies with Demelza's Game Gauntlet
Feed Honkers 10 times
Find all the Treasure Tins In The Wilderness
Find 200 Loot in the Bushes
Activate the secret Pyramid in the Golf Course
Possess a Water Ballon and a Stereo with Demelza's Game Gauntlet
Complete Day 4
Have a dance party with 3 Enemies
Find all the Treasure Tins In The Scrap Yard
Attack an Enemy with a possessed Enemy
Spell "Bum" using the Wizard Tower
Boost into 10 Enemies on your bike
Cycle 100 miles
Wear the Haybale Armour
Drench all the Shrimps in the Harbour
Find all the Treasure Tins In The Caravan Park
Complete Day 3
Find all the Treasure Tins In The Theme Park
Wake up your knocked out friend
Correctly fill the Jam Scone
Water all the Seeds in the Theme Park
High-Five when both players have a single point of health left
Pose in the Cut-Out Standee in the Theme Park
Find all the Treasure Tins In The Harbour
Complete the Harbor arcade
Remove your Stabiliser Wheels
Unlock Bikes for both Demelza and Nessa
Complete Day 2
Keep Nessa's Throwing Disc away from her for 5 consecutive kicks
Find all the Treasure Tins In The Golf Course
Avoid High-Fiving for 30 seconds when the other player is calling for it
Complete Day 1