Find a Firefly pendant

Recovered the Mothership's GPU.

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

Opened the Dual Speeder Garage.

Rescued all Bots in Gorilla Nebula

Recovered the Mothership's Memory.

Found your first Puzzle Piece.

Learned all skills in New Game +.

Achieved Cost of Lost Memories ending.

Achieved Return to the Colony ending.

Achieved Making New Memories ending.

Defeated Raven.

Defeated Demogorgon.