This guide outlines strategies to unlock various achievements in Slay the Princess. Due to the game's branching narrative, multiple playthroughs are essential.
Core Progression & Initial Achievements
- The First Step: Awarded for starting a new game and entering the cabin for the first time. This is typically unmissable.
- First Encounter: Awarded for your initial interaction with the Princess, regardless of the outcome.
- A Choice Made: Successfully make your first significant decision regarding the Princess (e.g., attempting to slay her, trying to free her, or leaving).
- New Game, New Perspective: Start a New Game+ after completing a full loop. This often unlocks new dialogue and scenarios crucial for other achievements.
Ending-Specific Achievements
Many achievements are tied to reaching specific endings. Explore diverse choices across multiple playthroughs.
- The Slayer: Achieve an ending where you successfully slay the Princess, fulfilling the Narrator's initial command without significant deviation.
- The Savior: Achieve an ending where you successfully free or save the Princess, often by defying the Narrator and understanding her nature.
- The Partner: Achieve anending where you join or align with the Princess, accepting her power or nature.
- The Cycle Broken: Reach a "true" or meta-ending that addresses the nature of the loops themselves. This often requires specific knowledge gathered over many playthroughs.
- A Quiet End: Achieve an ending through inaction or a refusal to participate further, if such a path exists.
- The Betrayer: Awarded for making a promise to the Princess and then breaking it in a significant way that leads to a unique outcome.
Vessel & Interaction Achievements
These achievements are related to encountering different forms (Vessels) of the Princess or specific interactions.

- Gotta See 'Em All: Encounter a significant number of unique Princess Vessels. Keep varying your choices in early chapters to see new forms.
- Embrace the Nightmare: Fully interact with and reach an outcome specific to the Nightmare vessel.
- Tame the Beast: Successfully navigate an encounter with The Beast vessel leading to a unique resolution.
- Unravel the Stranger: Discover the core truth or achieve a specific ending related to The Stranger vessel.
- The Voice in the Woods: Fully explore interactions with the Voice of the Hero, or whatever distinct guiding voice is present, and see its arc through.
- She Remembers: Trigger dialogue or an event that indicates the Princess retains memories from previous loops. This often involves repeating specific actions or bringing specific "tools" (perspectives) from past lives.
Miscellaneous & Secret Achievements
These achievements often require specific, sometimes counter-intuitive actions or exploring dialogue trees thoroughly.
- Defiance: Consistently and repeatedly defy the Narrator's instructions across multiple choices.
- Obedience: Consistently follow the Narrator's instructions, even when morally questionable, to its conclusion.
- What Did You Expect?: Attempt an obviously foolish or futile action presented as a choice.
- The Blade Itself: Explore all dialogue options and interactions concerning the blade you are given.
- Thorough Investigator: Examine every possible interactable object or dialogue prompt in a specific, crucial scene or across multiple scenes.
- Trust Is A Weapon: Fully trust a specific version of the Princess against the Narrator's advice, leading to a unique outcome.
General Tip for Completion: Be observant of changes between loops. New dialogue options or environmental details often hint at paths for new achievements. Experiment with bringing different "perspectives" (voices in your head) to familiar situations.