Ending 3 centers on one official decision: accept the strange key from a strange grandma. Roblox uses that wording in the badge description, so the encounter, offered item, and acceptance action are confirmed. The badge does not state when the grandma appears, which earlier choices matter, how the offer is presented, or what happens after the key is accepted.
A current community video from MD demonstrates Endings 1 and 3 in a full walkthrough. It is the working visual source for this run. Because no transcript was available, this guide does not invent a dialogue sequence or turn the creator’s unspoken movement into a permanent requirement.
Official: accept the strange key from the strange grandma. Community reported: MD demonstrates a successful Ending 3 route in a current walkthrough. Needs in-game testing: appearance condition, day, dialogue chain, prompt, post-key sequence, checkpoint, and compatibility.
Prepare for the special visitor decision
Learn the normal camera, rule, and visitor process first. The strange grandma is an ending-specific encounter, but the official description does not say that normal evidence checks stop applying. Keep the door locked while reading the current request, rules, and camera evidence.
Choose Ending 3 as the sole target for the attempt. Do not also search for the golden skeleton or deliberately advance unrelated secrets. One target makes it possible to connect the grandma encounter, key offer, acceptance, and badge result.
Check whether the account already owns Ending 3. A prior award can hide the fresh success signal and make a correct reproduction look incomplete.
Use the current visual walkthrough
MD’s current community walkthrough demonstrates Endings 1 and 3. Follow the recording from before the strange-grandma encounter so you can compare the prior state, visible offer, acceptance action, and ending result.
Do not skip directly to the final key image. The player question is how the offer becomes available, so the lead-up matters. Record the current day or phase, active rule, previous visitor decision, camera evidence, and any room anomaly before the encounter.
When the recording shows an action without an explanatory prompt, treat it as community demonstrated rather than official. Reproduce it only when the current build presents the same context.
Recognize the confirmed objective
The badge uses the verb accepted. Merely seeing the strange grandma, hearing about a key, or viewing the item may not satisfy the objective. Look for the current control that clearly accepts the offer and wait for the badge or ending state.
The adjective “strange” belongs to the official badge description, but it is not a complete identity rule for every visitor. Do not classify all grandmas as safe or all other visitors as irrelevant. The ending concerns one specific encounter and key offer.
Likewise, do not assume the key opens a particular door, room, Dream Room entrance, or golden-skeleton route. The official badge does not document a use after acceptance. Publish a downstream action only after the current route visibly requires it.
Maintain the normal run while waiting
Continue the standard decision loop: hear the claim, read the live rule, inspect cameras, scan the room, and commit once. Ending 3 may rely on an encounter condition, but reckless normal decisions can end the attempt before it appears.
Reset the camera, door, and room baseline after every event. Note Sanity changes without guessing a cause. Official badges confirm Sanity and anomalies, but no first-party source states that a specific value or anomaly triggers the grandma.
If the encounter does not appear in the same apparent place as the video, compare earlier context. Do not repeatedly accept unrelated keys or visitors simply because the target contains the word “key.”
Verify completion
After accepting the offered key, wait for the current result. Check the official Ending 3 badge inventory and record any end screen, teleport, reset, or follow-up prompt. The badge is stronger completion evidence than resemblance to a video scene.
If the offer appears but the badge does not, confirm that the selected input was acceptance rather than dismissal or inspection. Check whether the account already owns the badge. Preserve the exact prompt and result before attempting the sequence again.
If the current game differs visibly from the walkthrough, record the date and update title. A community route can become stale after a live change; the mismatch should lower confidence rather than be “fixed” with invented steps.
Public sources do not establish whether a checkpoint preserves the encounter or whether joining another server rerolls it. Follow only the current restart options.
Keep Ending 3 separate from other secrets
Ending 2 belongs to the golden skeleton. Ending 3 belongs to accepting the strange key. The Dream Room, Pizza Rat, Juan, dog, and Kindness are separate official badge intents. No official description connects them into one master secret chain.
The Kindness badge mentions helping “him,” while Ending 3 describes a strange grandma. Do not merge those characters or objectives from pronouns and proximity alone.
If future reproducible evidence links two objectives, record the exact shared prerequisite and keep one canonical route for each ending outcome.
Ending 3 FAQ
What is the official condition?
Accept the strange key from the strange grandma. That is the official Roblox badge description.
When does the grandma appear?
The public official sources do not state a day or trigger. Use the current embedded walkthrough as a community demonstration and compare the full lead-up in your build.
What does the key open?
No official post-acceptance use is documented in the sources reviewed here. The ending badge may trigger from acceptance itself; verify the current result instead of guessing a destination.
Is the strange key required for Ending 2?
No official source connects it to the golden skeleton. Keep the ending objectives separate unless current reproducible evidence proves a link.
10232686472 and MD’s current “Endings 1 And 3 — Full Walkthrough.” The badge supplies the objective; the video supplies cautiously labelled visual route context.