No missable achievements (plus 19 unknown)
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Over-consumption of tea is not recommended.
Go to the Delta Theta Gamma party.
Meet up with Kenny and Amy at the Delta Theta Gamma party
Open a chest.
Find Corey's car and get to the hospital.
Go through the hospital.
Recharge electric weapons 10 times.
Find Amy at the Fallcreek dam.
Get to Jedidiah's house.
Consume 10 energy drinks.
Get to the main yard at Leafmore.
Jedidiah won't make any more trouble.
Finish the game.
Heal a teammate 10 times.
Prepare a serum, an improved serum and a powerful serum.
Obtain every available weapon during a game.
Open all of the chests.