DON'T LET HIM IN Boiled One Guide: Behavior, Warning Signs, and How to Survive the Night

Boiled One is one of the hostile creatures that lays siege to your house in DON'T LET HIM IN, and the only win condition is time: survive until 6 a.m. His biggest tell is sound — you hear his footsteps circling the property long before you see him. The response set that carried a recorded hard-mode night to daylight: keep every door closed, listen before you move, hide in the basement or swap places with him when he gets inside, restore the fuses only after he leaves, and hold out until dawn.

Who Boiled One is

In the documented run, the whole night is framed as a duel with him — "Don't let him in. But now it's against The Boiled One" — played on the hard difficulty with the goal "I have to survive until 6 a.m." The player describes the setup as "same thing as the Locust, but now against The Boiled," so treat this siege loop as the house-defense pattern he faced rather than proven quirks unique to Boiled One; DON'T LET HIM IN the locust covers that creature separately.

Two takeaways from that run shape everything else on this page. First, don't trust reputation: the player went in calling The Boiled "the weakest one there is" and came out saying "that was way too hard" — his own before-and-after words, not a verified difficulty ranking. Second, you can't simply walk away from the night; the player notes "there's no way to run here" beyond a paid Robux escape he declined, which is a purchase, not a survival tactic.

Everything below comes from that single narrated hard-mode run, so read the specifics as what worked for that player. None of it is confirmed on other difficulties.

How you know he's near

Don't expect a look-based tell — the run never describes what Boiled One looks like. Identification rests on the setup naming him, plus audio:

• Footsteps. "Dude, I gotta pay attention to where his footsteps are." If you can hear him, you know which side or floor he's on.
• Deliberate listening. The player stops and listens on purpose: "What now? Gotta listen. Hold on. Let's listen."
• Occasional sightings. He shows himself from outside now and then: "Go away. I see you, I see you."
• Movement between floors. "Oh, he went up, he went up, man." and "I saw you going up."

Which cue you're getting determines your next move: closing a door, hiding, or getting out.

What Boiled One does through the night

The run follows a repeatable loop. He starts outside, lurking around the property — "He's lurking around here, man" — announcing himself with footsteps and noise while you track him by ear. He then works the doors: the player expects it from the start ("I know he can open it from here too, right? Through the door") and watches for where "he's going to try to get in somewhere." Any door you leave open is an invitation — an open door upstairs nearly cost the run before the player re-closed it "just in time": "I had time to close it, man."

Eventually he gets inside, sometimes sneaking straight through a door: "He came through the door, man. He's so sneaky, dude." Inside, he hunts you — "My God, he found me. He found me, man. He's right in front of me" — and the player concluded "there's no way to sneak past" him. Being seen is what kills you: "He saw me completely, man. No, dude. It was so close. I'm going to respawn. I respawned." What a death costs beyond the respawn itself isn't shown in the run.

He also sabotages the power, cutting it and destroying fuses, which starts the repair loop described below. During this phase the house displays messages like "Opening active" and "Overload" whose effects the run never explains — don't build a plan around them.

Between incursions he applies pressure rather than leaving you alone: he runs off fast when confronted — "Man, he runs away so fast, right? Yeah, he's quick to run off" — and feints you out: "Look, he's trolling me. He's trolling me." Through it all the clock runs down (2 a.m., then "It's five already. One hour left"), and the night simply ends if you're still standing: "We survived, dude. It's The Boiled."

How to respond

When he gets inside, trade places with him. This was the player's most reliable play: "If he enters, I leave. Open. Yes. He enters, I leave. That's it. Oh, it worked, it worked, it worked." Walk out through a door, wait somewhere outside where "he doesn't know I'm here," and go back in only after he has left. Hiding works too — he ducked into the basement during one incursion: "Oh, I hid, I hid. Nice, nice, nice, man. I survived." For hideout options, see DON'T LET HIM IN hiding spots.

Repair fuses on his schedule, not yours. After a power cut, he must leave first: "He has to get out of the house so I can do this, man. He cut the power. He left." Only then go outside, flip the fuses back on, and return — "Once he leaves, I'll fix the fuse and then I'll head back into the house." Rushing this is fatal: the first time, "I had to go outside to flip the fuses back on, but I couldn't make it there, man. I died before that." And the fuse supply is finite — "I have no more fuses" — so every outage costs more than the last. The power side of this loop is covered in DON'T LET HIM IN power system, and door handling in DON'T LET HIM IN doors and windows.

Finish by the clock, not by fighting. With about eight minutes left, the player turned on the floodlights as it got light — "Turn on, turn on, turn on the floodlights. It's getting light out. 8 minutes left, man" — and waited out the end. The run never shows the floodlights doing anything to Boiled One, so treat that as a dawn routine, not a weapon (more in DON'T LET HIM IN floodlights). Reaching 6 a.m. alive is the win. For how a full night fits together step by step, see the DON'T LET HIM IN walkthrough.

Common mistakes

• Leaving a door open. An open door upstairs was all he needed; the player barely re-closed it in time. Re-close anything you find open, immediately.
• Trying to sneak past him indoors. The player tested it and gave up: "There's no way to sneak past. There's no way."
• Rushing to the fuses while he's still around. That is exactly how the run's death happened.
• Trusting a visit schedule. "He was here at 4:52" is one logged moment, not a timetable.
• Assuming something deters him. The player toggled interior lights all night, flipped on the floodlights near dawn, and shouted "Go away" constantly — the run never shows light or shouting changing what Boiled One does, so don't plan around either.
• Underestimating him. The recorded player predicted an easy night and called it "way too hard" after surviving it.

Boiled One is ultimately a test of door discipline, listening, and patience — the recorded player beat him on hard difficulty with nothing fancier than closed doors, a basement, a well-timed walk outside, and the clock. To see how he compares with the rest of the roster, read DON'T LET HIM IN monsters.