Win a boss challenge without getting hit by any of the boss' Power-Ups.

Use the shortcut in Polar Pass.

Successfully use all three Turbo Boost charges 5 times in a row during a race.

Sustain your boost for a whole lap.

Directly hit an opponent with a thrown Beaker Power-Up.

Use the shortcut in Tiger Temple.

Throw something into something else with the saucer's Abducto Beam

Invade Rockwell

Revisit a missionless invasion site and complete a challenge there

Re-visit a mission in the mothership archive's Holopoxdeck

Destroy a human with a weapon and another with a psi ability at the same time

Accelerate Brain Extract or Transmog by mashing that button like you mean it