Comprehensive Home Alone Anomaly Walkthrough and Achievement Guide

A complete guide for Home Alone Anomaly, covering week-by-week walkthroughs, secret endings, and all achievement unlocks.

2026-07-24

Introduction to Home Alone Anomaly

Home Alone Anomaly is a complex, multi-layered game that challenges players to navigate through various weeks, realities, and narrative cycles. Unlike the Roblox game of a similar name, which focuses on home security and babysitting mechanics such as checking cameras and identifying visitors, At Home Alone Final (often referred to within the community as the third part of the At Home Alone world) is a psychological narrative experience.

This Home Alone Anomaly walkthrough is designed to help you navigate the game's intricate progression, from the initial, seemingly simple tasks to the complex, surreal sequences required to unlock all endings and achievements. Whether you are struggling with the timing of the "Floating Butterfly" ending or trying to decipher the codes required for the "A New Life" path, this guide provides the necessary steps to progress.

Understanding Game Mechanics and Progression

The game is structured into "weeks," a nomenclature used to track your progress through the various loops and story developments. Progression often requires interacting with specific objects, choosing dialogue options that shift the narrative, and occasionally performing specific actions to avoid "Failed Plan" scenarios.

It is important to note that the game features both "Original" achievements—carried over from previous titles in the series—and "New" achievements exclusive to this installment. Successfully unlocking these requires careful attention to the environment, as some puzzles involve non-obvious interactions like smashing mirrors or navigating abstract mazes.

Week-by-Week Walkthrough Summary

The following table summarizes the core progression path for the primary weeks of the game.

WeekKey ObjectiveNotable Outcome
1Manage house visitorsKangTai dies on the balcony
2Investigate the 2nd floorLoop triggers; "Invisible wall" encountered
3Resolve the kitchen/gun scenario"Appearance or Reality" achievement
4Handle parallel realities"Showing or Cycle" achievement
5Interact with the ghost"This is what I often do every day" achievement
6Manage the Man in Black interaction"Lose" achievement
7Navigate the Red Man's mazeAccess to endgame scenarios

Weeks 1 through 3: The Foundation of the Loop

In the early weeks, your primary goal is to interact with the environment and the various visitors who arrive at your door. In Week 1, you must handle the red-haired boy (KangTai), the blue-haired boy, and the blonde girl. Failure to properly manage these interactions leads to the tragic death of KangTai on the balcony.

By Week 3, the game introduces more severe consequences. When KangTai locks himself in your room, you must go to the kitchen to find the extra keys. If the keys are missing, you are forced to interact with the door under the boxes to retrieve a gun, which, when used, results in a death scene where you, rather than the visitor, are found lying on the ground.

Weeks 4 through 7: Uncovering the Truth

Week 4 is significant because the game begins to overlay multiple realities simultaneously. You must ignore the "bugs" and follow the established path to trigger the "Showing or Cycle" achievement. Week 5 requires you to move beyond the boundaries of the house by pushing a chair to the fence to climb out. Once outside, you will interact with various entities, including a creature near a fountain and a ghost at the doorbell.

Week 6 introduces the "Man in Black." During your interaction, you are presented with a choice: "Hand it over" or "No." Choosing "No" will force you into the same route as Week 3, resulting in the "Failed Plan" message. Choosing "Hand it over" allows the story to progress, leading to a dialogue that grants your wish and transitions you into the gray, abstract setting of Week 7.

Achieving the Final Endings

The endgame content is divided into three distinct paths: "Floating Butterfly," "A New Life," and "Free." Each requires specific prerequisites and puzzle-solving skills.

Floating Butterfly Ending

To reach this ending, you must complete the tasks in the maze, collect all four slates, and correctly input the code at the altar. A critical moment occurs in your bedroom: you must take the chair to the bathroom, interact with the mirror, and choose "Smash the mirror" to enter the corridor. This discovery is essential for obtaining the "!!!" achievement.

A New Life Ending

After reaching the end of the game, you can continue by pressing the "Z" key. You must interact with the crow to return to the hide-and-seek minigame with the blonde girl. After successfully playing hide and seek in the three random locations, you must return to your bed to trigger the final cutscene. This path rewards the "Regain Consciousness" achievement.

The "Free" Ending

This is arguably the most complex ending. You must utilize the "Time Travel" function via the crow to load the "Dark Forest" file. From here, you must navigate the forest, enter the buildings, and collect the slates again—but with a crucial difference: you must avoid the "Purple Boy." Touching him will result in a reset or failure. By successfully navigating the maze, finding the statue, using the dagger on the monster in the tree, and inserting the slates at the altar, you will unlock the "Be Divorced From" achievement and the final "Free" ending.

Essential Tips for Success

  • Code Memorization: Many codes in the game, such as those found on walls in the building complex, are generated randomly. Do not rely on static numbers; always mark them down or take a screenshot when they appear.
  • The Bird Mechanic: In several puzzles, a bird will track your movement. If it gets too close, you will be killed. Use environmental objects like eggs and nests to block its path.
  • The Mirror Puzzle: Smashing the mirror in the bathroom is not just a destructive act; it is a key gameplay mechanic that opens a hidden corridor. Always look for the "Other" option when interacting with mirrors.
  • The Crow's Time Travel: This is your most important tool for cleanup. It allows you to jump back to specific points like the "Dark Forest" or "Hide and Seek" without resetting your entire progress.

Achievement List and Unlocking Methods

Below is a list of the achievements found in the game and the general requirements to unlock them.

  • I love disco dancing: Interact with the trampoline during Week 1.
  • You seem to be addicted: Interact with the toilet in the bathroom multiple times until the flush option triggers.
  • Appearance or reality: Triggered during the Week 3 death sequence.
  • Showing or cycle: Complete the parallel reality sequence in Week 4.
  • It's no longer a secret: Reach the end of Week 4/start of Week 5.
  • This is what I often do every day: Escape the house using the chair and fence method in Week 5.
  • Lose: Complete the dialogue with the Man in Black in Week 6.
  • !!!: Smash the mirror in the bathroom during the Floating Butterfly path.
  • Floating Butterfly: Successfully complete the final altar puzzle in the Floating Butterfly ending.
  • Regain consciousness: Complete the requirements for the "A New Life" ending.
  • Reverse: Successfully have your mother push the killer off the balcony in Week 10.
  • Be divorced from: Complete the "Free" ending by avoiding the Purple Boy.

Frequently Asked Questions

Why is the Mother's Key not appearing for me?

Players have reported that the Mother's Key does not appear until both the "Floating Butterfly" and "A New Life" endings have been fully completed. Ensure you have triggered the final cutscenes for both paths before looking for the key.

What should I do if the game closes automatically?

The game closing is sometimes a scripted event, particularly during the "Floating Butterfly" path or when interacting with specific endgame objects. If it happens unexpectedly, ensure your game files are validated through your platform's launcher, as some interactions may cause a crash if the local files are corrupted.

How do I handle the Purple Boy in the Free Ending?

The Purple Boy is a trap. When navigating the building complex in the "Free" ending path, he will attempt to lure you toward him. You must strictly avoid him. If you do not touch him, you can proceed through the directions and successfully reach the final room to obtain the necessary slates.

Final Thoughts

Home Alone Anomaly is a game that rewards patience and observation. By carefully tracking the cycles and understanding that your actions in one "week" can ripple into the next, you will eventually unlock all the secrets hidden within the house. If you find yourself stuck, remember to use the crow for time travel and revisit previous areas to ensure you haven't missed any hidden interactions or items. Good luck, and enjoy the mystery.