You really like sparkles, don't you?
You just need 100 diamonds for this one
Wow, and a while ago I thought 100 diamonds was a lot!
You need 5000 of these sparkly looking things to get this one
Cross the finish line in every level
Unlock all the locks in the galaxy overview
Collect all the orbs in every level
Unlock one of the locks in the level overview
There's more than one way to 'die'
What's better than a magnet? A bigger magnet!
Find all the finish lines to the bonus levels
Crash 100 times
Bounce 100 times against a bumper to get shaken
Fire yourself from a cannon 200 times!
Complete 50 puzzle planets to prove your puzzling skills
Drain an energy planet 250 times
Why would you skip the comic?
Complete every level with the three orbs collected
Pass the toilet paper to the scientist in need.
Perform surgical caffeine extraction from 20 machines.
Kill 10 Airborne Headcrabs using the Shotgun.
Kill 20 enemies with the Hivehand.
Ruin the microwave casserole.
Kill an Assassin with the .357 Magnum.
Kill 10 enemies with a reprogrammed Sentry.
Conduct all of the questionable research experiments.
Kill 10 enemies with Snarks.
Headshot 20 enemies with the .357 magnum.
Drown in Lambda Core's coolant.
Kill a Headcrab using fire.
Kill a Marine with their own grenade.
Kill 5 enemies with one grenade.
Kill an Icthyosaur with either the Tau or Gluon.
Use the alternate path in Office Complex.
Use an entire clip of Gluon ammo in one continuous shot.
Get overtaken by a Headcrab's ample anterior.
Interfere with the alarm and laptop in Anomalous Materials.
Overcharge it anyway.
Send the Hidden Hat to Xen.
Kill a Barnacle with a Satchel.
Refuse to insert the specimen into the Anti-Mass Spectrometer.
Help the Barnacle and Headcrab find true love.
Get killed by your own Snarks.
