Achievements

Katana Zero comes with 22 achievements. 14 of them are unlocked by either playing the game normally or performing special actions in levels, 6 of them are unlocked by collecting Prototype Keys scattered throughout the levels and the final 2 are related to the Speedrun Mode that is unlocked after completing the game. Note that every achievement except the speedrun mode ones are set as "hidden" achievements.

Level Achievements

• Don't Hang Up!
• Feline Persuasion
• What a Bad Idea
• Refused Medication
• Party Animal
• Coffin Head
• No Love for Robots
• Beatdown
• The End
• The Dragon's Tape
• Forbidden Ultimate Danger Tempest-Eyed MAJORDOMO Imperial Barrage Crab, Evixion
• Funny Prank
• Psychotherapy
• To Be Continued

Key Achievements

• Prism Key
• Master Key
• Prototype Key
• Phoenix Key
• Savant Key
• Secret Hunter

Performance Achievements

• Gold Medal
• Hardmode