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  "description": "The exact lever order, sewer entrances, and alien path needed to claim both hidden keys.",
  "path": "/sell-lemons-sewer-key-and-ufo-key-locations-roblox/",
  "publishedAt": "2026-06-04T07:32:29.000Z",
  "site": "https://allthings.how",
  "tags": [
    "Play Sell Lemons on Roblox",
    "@NoobBlox"
  ],
  "textContent": "Sell Lemons hides two of its biggest secrets beneath the main street. The Sewer Key opens the tunnel network under the map, and the UFO Key sits deeper inside that maze behind a strict lever puzzle. Both reward you with progression badges, and both punish any mistake by resetting the puzzle from the start.\n\n🔑\n\nQuick answer: Drop into the sewers through any manhole on the main street, then pull the levers in this order to unlock the UFO Key path: Blue → Red → Green → Red → Purple → Red → Green → Red. Re-pull the Red and Green levers afterward to reach the alien and earn the Good Samaritan Badge.\n\n* * *\n\n## How to get the Sewer Key in Sell Lemons\n\nThe Sewer Key unlocks access to the tunnels beneath the main map and counts toward the Cosmic Farmer badge. Without it, the sewer entrance stays sealed and you cannot move into the corridors below. Getting it comes down to dropping through a manhole and clearing a short lever chain.\n\n**Step 1:** Head to the edge of the lemon-selling zone and look for a circular manhole-style hatch on the ground. It sits slightly off to the side rather than in the central hub, where the ground texture changes. Stand over it to fall through into the tunnels.\n\nStand over the manhole cover to fall through into the tunnels | Image credit: Roblox (via YouTube/@NoobBlox)\n\n**Step 2:** Walk straight through the opening corridor until the path splits, then take the left route. The right path dead-ends at a locked gate that only opens later once the full lever chain is done.\n\n**Step 3:** Follow the left corridor to the first lever mounted on the wall and activate it. A movement and sound cue confirms it registered, and a new path opens ahead. Continue forward rather than backtracking.\n\nFollow the left corridor to the first lever mounted on the wall and activate it | Image credit: Roblox (via YouTube/@NoobBlox)\n\n**Step 4:** Wind deeper through the next turns to the second lever and pull it. This opens a previously blocked section leading toward the colored levers.\n\n**Step 5:** Pull the green lever and wait for the gate it controls to swing open. If nothing moves, return and confirm the first two levers are both in the active position before trying again.\n\nPull the green lever | Image credit: Roblox (via YouTube/@NoobBlox)\n\n**Step 6:** Move through the gate the green lever opened, reach the purple lever in the deepest part of the tunnels, and pull it. This unlocks the final room holding the Sewer Key.\n\n**Step 7:** Walk into the newly opened space and interact with the key to add it to your inventory. Check your badges menu to confirm the Cosmic Farmer badge registered.\n\nInteract with the key to add it to your inventory | Image credit: Roblox (via YouTube/@NoobBlox)\n\n🧭\n\nTip: If the tunnels start to feel identical, follow the left wall the whole way through. If you get fully lost, use Reset Character in the Roblox menu to respawn above ground and drop back in fresh.\n\n* * *\n\n## UFO Key lever order in Sell Lemons\n\nThe UFO Key is the prize at the end of a longer lever sequence inside the same sewer maze. The catch is the repeated Red Lever pulls, which trip up most players who assume each lever should only ever be flipped once. The levers must be hit in the exact order below, and leaving the game or switching servers resets every one of them.\n\nOrder| Lever\n---|---\n1| Blue Lever\n2| Red Lever\n3| Green Lever\n4| Red Lever\n5| Purple Lever\n6| Red Lever\n7| Green Lever\n8| Red Lever\n\nThe Blue Lever is the first in the chain and can be reached without any setup, so just enter the sewers and pull it. The Red Lever can also be activated at any point, which is why it appears so often in the sequence. The Green and Purple levers are gated, so they only become accessible if you have followed the order precisely up to that point.\n\n⚠️\n\nNote: Pulling levers out of order can lock progression until the puzzle resets. If a path stays blocked, recheck the sequence before continuing rather than wandering deeper into the maze.\n\n* * *\n\n## Where to find the UFO Key\n\nOnce the full eight-step lever order is complete, the hidden pathway to the UFO Key opens inside the maze. There is one extra requirement that often catches people out. The key only becomes visible after you have progressed far enough in the main game to unlock the investor interactions.\n\nIf you attempt the puzzle too early, you can reach the correct spot and find nothing there because the key has not spawned yet. Make sure you have unlocked and spoken to the investors first, then run the lever sequence. The UFO Key is a permanent progression item tied to the secret UFO section of the map.\n\n* * *\n\n## How to unlock the Good Samaritan Badge\n\nCollecting the UFO Key is only the first half of this secret. The badge itself comes from a hidden alien NPC tucked away in the maze, and its dialogue stays locked until you are holding the key.\n\n**Step 1:** With the UFO Key already in your inventory, return into the sewer maze.\n\n**Step 2:** Pull the Red Lever and then the Green Lever once more. This opens a fresh route leading toward the alien.\n\n**Step 3:** Follow the opened path and talk to the alien to immediately earn the Good Samaritan Badge.\n\nEarning the badge doubles your Investor Bonus, raising it from 1% to 2%. That makes it worth chasing beyond badge collection, since the boost directly improves long-term Cosmic Cash progression.\n\n✅\n\nYou know it worked when the badge appears on your Roblox profile and the alien's dialogue completes. If the alien path will not open, confirm you collected the UFO Key before re-pulling the Red and Green levers.\n\nTalk to the alien to immediately earn the Good Samaritan Badge | Image credit: Roblox (via YouTube/@NoobBlox)\n\n* * *\n\n## Common reasons the puzzle fails\n\nMost failed runs come down to a handful of repeatable mistakes. The lever chain is unforgiving, so a single misstep usually means starting over.\n\nProblem| Fix\n---|---\nLevers reset mid-run| You left the game or changed servers. Stay in the same server for the whole sequence.\nUFO Key not spawning| You have not progressed far enough to unlock the investors. Talk to them first.\nA path stays blocked| A lever was pulled out of order. Recheck the full sequence and reset if needed.\nLever will not activate| Stand closer or shift your angle so the interact prompt appears, then try again.\n\nWork through the Sewer Key first, then commit to the UFO Key sequence in one uninterrupted run. With the investors unlocked and the levers pulled in order, both keys and the Good Samaritan Badge are yours in a single trip through the tunnels.\n\nPlay Sell Lemons on Roblox",
  "title": "Sell Lemons Sewer Key and UFO Key Locations (Roblox)",
  "updatedAt": "2026-06-04T07:32:29.680Z"
}