Invade Turnipseed Farm

Consume a human brain to kickstart your shield regeneration

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

Invade Rockwell

Use PK to destroy a human with another human

Stay covert by scanning primitive human thoughts

Recover a Furon Probe

Upgrade Crypto at Pox's Lab in the mothership

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

Destroy multiple humans with a human-made explosive

Upgrade your saucer at Pox's Lab in the mothership

Invade Santa Modesta

Transmogrify an object to replenish your ammunition

Try out a new look for Crypto in the mothership's archives

Throw a human into the air and juggle them

Explore the more offbeat parts of the mothership

Use your saucer's Repulse-O-Tron to fend off homing missiles

Revisit a missionless invasion site and complete a challenge there

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

Fully upgrade one of the branches of a weapon or ability

Invade Area 42

Ace a Rampage challenge with a three-star rating

Abduct a cow with your saucer

Evade a rocket by dashing

Ace an Abduction challenge with a three-star rating

Invade Union Town

Invade Capitol City

Destroy a certain irritating simian warlord once and for all

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

Abduct and drain a vehicle to replenish your saucer's shields

Destroy the pathetic human attempt at a robot overlord

Ace a Race challenge with a three-star rating

Destroy humanity's last hope and initiate the subjugation of the species

Obtain at least a two-star rating for each challenge type

Demonstrate Furon free spirit near a warning sign placed by the human authorities

Display Furonic aeronautic prowess by soaring through giant human pastry without soiling your feet