Kill a boss for the first time

Unlock Shadow Lenna

Do a spin attack with the Damascus Katana

Get the Police Report

Get the Error Log

Uncover the whole overworld map

Melt ice before you obtain the lighter

Drop a beer potion on yourself

Find a tomb under a gravestone

Do a lightning attack with the Tungsten Sword

Unlock Paige as a companion

Get the Beta Cup

Get the Book of Changes

Access a dungeon without defeating the boss in the dungeon before it

Cross the world wrap

Drop a hallucination potion on yourself

Find a cave within a cave

Empower Henrietta

Play a challenge

Get the "Catastrophe" ending

Blow up a rock before you obtain the bombs

Confuse an NPC by naming yourself Lance

Call the developer from in-game

Kill a Whirligig

Double your money in a single trade at the bank

Play Tombs & Tentacles

Play local co-op with a friend

Earn Paige's affections

Get the Patent

Get the IOU

Get the Binoculars

Defeat Delvin without killing him

Defeat the Chairman without killing him

Defeat a boss without killing it

Beat the "Reflex Mode" challenge

Beat the "I AM ERROR" challenge

Beat the "Sniper" challenge

Beat the "Bomber" challenge

Beat the "Arsonist" challenge

Beat the "0 Hearts" challenge

Beat the "3 Hearts" challenge

Beat the "All Dungeons" challenge

Beat the "1 Dungeon" challenge

Beat the "Daily Seed" challenge

Get the "Perfect" ending

Get the "Sacrifice" ending

Save Lance

Save the Elder

Master the Hallucination Tunic

Get one of every item

Max out your heart meter

Use a potion to skip Lance's death cutscene

Bring powered-up Henrietta to the fight with Delvin

Order a pizza