Finish your first FROG puzzle
Nothing wrong with a little jibber-jabber
Read 10 pop-ups throughout the game
Find your first steambug
Find all Hochwald steambugs
Find all castle steambugs
Find all underground steambugs
Complete the game on Expert Mode
Finish the bonus chapter
Finish 3 puzzles without skipping
Get rid of Barber's Myriapod
Get Matthew up and running
Get to Barber's castle
Enter Barber’s underground laboratory
Watched 5 cutscenes without skipping
Rescue Dr. Ink
Destroy Barber’s Tremor Machine
You Eagle-Eye, you... no more than a single misclick in a HO scene.
Solve all puzzles without skipping
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.
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