Found all 4 chameleons in world 5

Hit Astro with the controller in the VR Menu

Found all 4 chameleons in world 4

Defeated 8 enemies with a single spin attack

Found a forgotten prize inside the crane machine

Found all 4 chameleons in world 3

Cleared 10 Challenges fully (obtaining 2 Bots)

Rescued all Bots in Lost Galaxy.

Recovered the Mothership's Cooling Fan.

Leaped through the ring in Bubbling Under.

Took a picture at a Photo Spot.

Recovered the Mothership's GPU.

Stopped time and won the jackpot on all four slot machines in Slo-Mo Casino.