The Kartos Challenge is a challenge where Yooka and Laylee must ride Kartos on a track to collect the required number of gems in order to receive a Pagie. Kartos can shoot cannonballs out of his mouth to destroy Corplet Drones or barrels. If the duo collides with a wooden barrel, then the duo will lose three gems. If the duo gets burnt by Mr. Blowys' flames, the duo will lose five gems. If the duo falls off the railroad track, the duo must restart the challenge.
|World||Minimum Gems||Total Gems||Enemies|
|Tribalstack Tropics||60||Unknown||Mr. Blowy|
|Glitterglaze Glacier||100||Unknown||Corplet Drones|
|Moodymaze Marsh||125||Unknown||Corplet Drones|
|Capital Cashino||150||150 Blue|
|Galleon Galaxy||175||Unknown||Corplet Drones|
- After completing the Capital Cashino Kartos Challenge, the player is immediately forced into the I.N.E.P.T. boss fight. However, if the player is defeated, they are not required to repeat the Challenge.
- The minimum number of required gems required in Tribalstack Tropics is the only threshold of gems in the game that is not a multiple of 25.