Complete Asaga's route
Complete Ava's route
Complete Sola's route
Complete Chigara's route
Complete all four routes
Complete the game beginning to finish on space whale difficulty
Visit the science museum 400 times in a single game
Visit the shrine 400 times in a single game
Visit the park 400 times in a single game
Visit the arcade 400 times in a single game
Rank in the 99th percentile on an exam
Win the election with all 560 votes in your favor
Have a total of 200 members between all your clubs.
Have a total of 1000 readiness between all your clubs
Save up a collection of 500 credits
Successfully flirt with Maray
Purchase every single item at the store and shrine
Exercise at the gym 200 times in a single game
Go 20 days with your stress over 50
Have 10 hearts with every girl
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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