The following cheats can be unlocked by collection art pages and scanning things. Toggle the cheats in the Options screen.

• Faster Health Regeneration - Collect 50% of all art pages
• Equipment Strength Upgrade - Collect 100% of all art pages
• Increased Scanning Speed - Collect 50% of all scans
• No Equipment Overheat - Collect 100% of all scans.
• Invulnerability - Achieve 100% completion.
• Gozerian Rookie Outfit (Immune to Slime) - Beat the last level on Gozerian difficulty (you can skip to the level)