Achieve 100% completion

Pop the red balloon

Buy out the secret shop

Visit the secret shop

Defeat the Foetid Freak boss

Defeat the Supreme Overseer boss

Defeat the Enhanced Prototype boss

Complete the Infernal Gate challenge

Fully clear the Burial Grounds mission

Complete the Burial Grounds mission

Fully clear the Old Mansion mission

Complete the Old Mansion mission

Encounter the chest mimic

Fully clear the Mountain Temple mission

Complete the Mountain Temple mission

Open the shooting range

Unlock a shortcut

Unlock all shortcuts

Complete the Toxic River challenge

Buy out the shop

Visit the shop

Upgrade your inventory once

Fully upgrade your inventory

Fully clear the Ghost Town mission

Complete the Ghost Town mission

Fully clear the Contamination Area mission

Complete the Contamination Area mission

Complete the tutorial

Unlock the Infernal Gate challenge

Unlock the Ranger

Unlock the Toxic River challenge

Unlock the Salamander

Unlock the Warlock

Fill the vault

Open the vault