Complete Impossible without ever landing on Replication. (Recommend 'Allow skipping' on a fresh save.)

Customize animal colors.

Reach Replication without ever landing on Impossible or Accumulation. (Recommend 'Allow skipping' on a fresh save.)

Reach a limit.

Start a puzzle by warping.

Launch instantly using arrows.

Use a bomb without losing it.

Throw a cane, usefully.

Chain hammers.

Use a magnet multiple times in one move.

Use a grey animal's mask.

Break the third law using a rocket.

Fly using spring.

Fail to swap.

Make a button press do nothing.

Use a teleporter offensively.

Leave a puzzle, changed.

Create a new puzzle.

Complete Accumulation.

Complete an optional world.

Complete Crowdsurf.

Solve a puzzle with a fish.

Complete Gentoo Rescue.

Complete Gentwo Rescue.

Complete Ground Rules.

Complete Inception.

Find the Path of Plain.

Solve a puzzle with a penguin.

Complete Replication.

Complete Transition.

Solve a puzzle with a walrus.

Complete Replication, but for real.