Quick answer: The Steal An Egg Alien Biome is listed to start Saturday, November 7, 2026 at 16:00 UTC (11 AM ET / 8 AM PT / 4 PM GMT / 5 PM CET). The official Roblox event card runs until November 14 at 19:00 UTC. Paranoid Pete arrives first, on Monday, November 2, "with strange UFO signals." The developers have not announced the biome's Speed requirement, guardian, eggs or pets. Our estimate for the Speed gate is 125B to 180B, based on the last four biomes. Treat that as a projection, not a dev number.
Last checked: November 1, 2026, 13:30 UTC, against the official Roblox event listing, the creator group's announcements and the Games API. Applies to Steal An Egg after Update 10.5. This is a pre-launch guide, and we'll replace every estimate with confirmed numbers once the biome is live.
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Key Takeaways
- Date is official. The creator group says the biome "releases Saturday, November 7th", and Roblox lists the event from 16:00 UTC.
- 6,021,823 players have marked themselves "going" on the event card, about 21 hours after it was created (our pull, November 1, 13:30 UTC).
- Halloween is closing first. The 1.5x Candy Corn boost runs "until Monday", and a community-server notice points to November 2 as the end of the remaining Halloween content.
- Nothing about the gameplay is confirmed yet. There's no published Speed number, guardian, egg list or pet list.
- Steal An Egg still has no codes. Any "Alien Biome code" is fake.
When does the Alien Biome come out in Steal An Egg?
The official Roblox event card, titled "🛸NEW ALIEN BIOME", starts November 7, 2026 at 16:00 UTC and ends November 14 at 19:00 UTC. The creator group's Update 10.5 announcement gives the same Saturday.
Every Saturday listing since September 19 started at 15:00 UTC, and this one starts at 16:00 UTC. It's still 11 AM Eastern. US clocks moved back on November 1, so the UTC time shifted while the American time stayed put.
| Region | Local start time | Date |
|---|---|---|
| US Pacific (PT) | 8:00 AM | Sat, Nov 7 |
| US Mountain (MT) | 9:00 AM | Sat, Nov 7 |
| US Central (CT) | 10:00 AM | Sat, Nov 7 |
| US Eastern (ET) | 11:00 AM | Sat, Nov 7 |
| Mexico City | 10:00 AM | Sat, Nov 7 |
| Brazil (Brasília) | 1:00 PM | Sat, Nov 7 |
| UK (GMT) | 4:00 PM | Sat, Nov 7 |
| Central Europe (CET) | 5:00 PM | Sat, Nov 7 |
| Moscow / Istanbul | 7:00 PM | Sat, Nov 7 |
| India (IST) | 9:30 PM | Sat, Nov 7 |
| Philippines / Singapore | 12:00 AM (midnight) | Sun, Nov 8 |
| Japan / Korea | 1:00 AM | Sun, Nov 8 |
| Sydney (AEDT) | 3:00 AM | Sun, Nov 8 |
The written patch details usually arrive after the listed start. Here's how long the announcement took for the last five main Saturday updates:
| Update | Listed start (UTC) | Group announcement (UTC) | Gap |
|---|---|---|---|
| Update 6, Dr. Scramble's Lab (Sep 26) | 15:00 | 16:05 | 1h 5m |
| Update 7, Enchanted Forest (Oct 3) | 15:00 | 17:04 | 2h 4m |
| Update 8, Mounts (Oct 10) | 15:00 | 16:40 | 1h 40m |
| Update 9, Halloween (Oct 17) | 15:00 | 16:33 | 1h 33m |
| Update 10, Halloween Part 2 (Oct 24) | 15:00 | 16:40 | 1h 40m |
So if you're waiting for the official summary rather than playing, expect it one to two hours after the start.
What has the game actually confirmed about the Alien Biome?
Only a handful of details are official, and they all come from two first-party posts. Here's the event description, with emoji removed:
"Paranoid Pete tried to warn us, but nobody believed him. Now, his radar is picking up stronger signals of extraterrestrial activity, and strange UFO sightings are becoming more frequent. It looks like the aliens have set their sights on Steal an Egg, and they're getting closer. A NEW ALIEN BIOME ARRIVES NEXT WEEK!" (official Steal An Egg event listing on Roblox)
And here's the Update 10.5 post from the creator group, published October 31 at 16:32 UTC, about half an hour after the Jonas Brothers concert window closed:
"Enjoy 1.5x Candy Corn until Monday as Halloween comes to an end! Paranoid Pete arrives Monday with strange UFO signals... [N]EW ALIEN BIOME releases Saturday, November 7th!" (Update 10.5 announcement, "and Collect Rare Pets" group; emoji removed, and the post's dropped N restored in brackets)
| Detail | Status on November 1 | Source |
|---|---|---|
| Release date | Confirmed: Saturday, November 7 | Group announcement |
| Start time | Listed: 16:00 UTC | Roblox event card |
| Theme | Confirmed: aliens, UFOs | Event card |
| Paranoid Pete | Confirmed: arrives Monday, November 2 (no hour given) | Group announcement |
| Speed requirement | Not announced | n/a |
| Guardian | Not announced | n/a |
| Eggs, pets, income | Not announced | n/a |
| Secret areas or fusions | Not announced | n/a |
The teaser art is the only other clue. It shows a crashed flying saucer with a green dome, a glowing green opening beneath it, and bright blue and pink crystals, plus a lone figure in a wide-brimmed hat. The art doesn't name that figure.
Who is Paranoid Pete, and what will he do on November 2?
Paranoid Pete is the character tied to the alien storyline. The event card says "nobody believed him", and the group post says he arrives on Monday "with strange UFO signals". Neither source gives an hour, a location, a quest or a reward.
Two recent updates were built around a helper character, which is worth knowing even though it's no promise for Pete:
- Wisp (Update 7): "Help your Wisp unlock the Enchanted Tree!" Its quests were the way into the Enchanted Forest's hidden area.
- Echo the Ghost Dog (Update 9): "Help Echo the Ghost Dog and his owner will reward you."
Pete could follow that format with a task before the biome opens, so log in on Monday and read any new prompt. Nothing announced says missing him locks you out.
How much Speed will you need for the Alien Biome?
The real answer is unannounced. Our best estimate is 125B to 180B Speed, assuming the Alien Biome becomes the new far end of the map. The Speed numbers in the table below come from the Steal An Egg Wiki's biome list and Enchanted Forest page. The multipliers are our own math.
| Biome | Speed required | Jump from previous |
|---|---|---|
| Cosmic | 700M | n/a |
| Cherry Blossom | 2.5B | 3.6x |
| Titan Temple | 7B | 2.8x |
| Angels & Demons | 20B | 2.9x |
| Enchanted Forest | 50B | 2.5x |
| Alien Biome (estimate) | 125B to 180B | 2.5x to 3.6x |
The Speed on the sign also isn't the Speed you need to escape with a heavy egg, because bigger eggs slow you down. Our Speed guide recommends roughly double the listed number before farming a biome's best eggs. That would put the comfortable target at around 250B to 360B if our estimate holds.
The biome could break the ladder in either direction. Earlier jumps were far bigger, at 7.2x from Abyss Ocean to Prehistoric and 38.9x from Prehistoric to Cosmic, so the gate could land above 180B. The Halloween Dimension never got a published Speed requirement at all, so a side zone could sit much lower.
What will the Alien Biome probably add?
We can only go by what recent updates shipped. These lines come straight from the group's own posts:
| Update | What the announcement listed |
|---|---|
| Update 6 (Sep 26) | Laboratory with 3 banners and 15 pets, Extinction Egg with 6 animals, boss every 30 minutes, 100-tier milestones |
| Update 7 (Oct 3) | New biome with 8 new pets, Wisp quests, butterfly event, secret band and fusion machine |
| Update 8 (Oct 10) | Mounts, race event every 30 minutes, 5 new pets |
| Update 9 (Oct 17) | 3 spooky biomes, 18 new pets, Phantom Express and a new mutation |
| Update 10 (Oct 24) | Abandoned Manor, Pumpkin King boss, 65 reward tiers, secret fishing area, Divine Cursed Monarch fusion |
The closest match is Update 7, the last permanent biome. If the Alien Biome follows it, expect about 8 pets, a Divine at the top, and at least one hidden objective. A new high-income pet is the likely prize, as Enchanted Forest and the Cursed Monarch fusion both gave players a fresh chase item. None of this is announced, so don't plan purchases around a specific pet.
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How should you prepare for the Alien Biome?
There are no codes, so preparation comes down to Speed and income. You've got six days, and this is the order we'd do it in.
- Finish Halloween first (by Monday). Everything else can wait until Tuesday, and this can't. See the checklist below.
- Log in on Monday, November 2 and find out what Paranoid Pete does.
- Buy the next treadmill tier, then the best Trail you can afford. Trails multiply the Speed you gain from training, so every later session pays more. The Speed Shop can close the last gap once you know the real number.
- Hatch pets you've never owned. The Pet Index gives one-time rewards, and they add up.
- Keep income ahead of Speed. Upgrades cost cash, so a Speed push stalls without income. Replace your weakest pen slots first, and check our Steal An Egg value list for what's worth keeping.
- Save your cash on Thursday and Friday. New biomes often add a stronger treadmill tier, as Angels & Demons did, and a full wallet lets you buy it straight away.
Mounts won't help here. As of the October 10 Mounts update they're cosmetic and give no Speed bonus.
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What should you finish before Halloween ends?
The group says Halloween "comes to an end" and that the 1.5x Candy Corn boost lasts "until Monday". It didn't give an exact hour, so treat Sunday night as your real deadline.
- Farm Candy Corn now. The 1.5x boost is the one piece here that's officially confirmed.
- Check your Headless Horseman Egg progress. A community-server notice, reported by StealAnEgg.app, says you need 750,000 total Candy Corn by November 2, that Candy Corn you've already earned counts, and that spending it doesn't reset progress. That poster's developer identity isn't verified, and Roblox's listing doesn't confirm the goal, so trust the number in your in-game Halloween UI.
- Decide on the Burnin' Shell. IGN reports the limited Jonas Brothers mount costs 999 Robux and is available until November 2 at 12 AM. IGN doesn't give a time zone. Mounts are cosmetic, so skip it unless you want the look.
How big will the launch be?
The table's figures are our own pulls from Roblox's public APIs on November 1 at 13:30 UTC.
| Metric | Value |
|---|---|
| Alien Biome RSVPs marked "going" | 6,021,823 |
| Alien Biome RSVPs marked "not going" | 132,799 |
| Jonas Brothers concert final "going" count | 13,245,144 |
| Steal An Egg live players at pull time | 1,241,211 |
| Blox Fruits live players, same pull | 424,124 |
| Steal An Egg lifetime visits | 10,163,489,441 |
That live count is a single Sunday snapshot from the US morning, and it's about 2.9 times Blox Fruits at the same moment. The Alien Biome reached 6.0M "going" in about 21 hours. The concert card stood at 8.79M at our October 29 pull, roughly 4.4 days after it was created, and we don't have a same-age concert figure to compare. Either way, expect the first hour to be crowded.
FAQ
When does the Steal An Egg Alien Biome release? Saturday, November 7, 2026, at 16:00 UTC on the Roblox event card. See the table above for your local time.
Will the Alien Biome disappear on November 14? Nothing says it will. November 14 is when the event card ends. Event cards have ended before their content did: the Enchanted Forest stayed in the game after its card closed on October 4. Halloween is different, because the group says that event "comes to an end". No such wording appears for the Alien Biome.
What Speed do you need for the Alien Biome? It hasn't been announced. We estimate 125B to 180B if it sits past the 50B Enchanted Forest. Aim for around double the final number to carry large eggs safely.
Who is Paranoid Pete in Steal An Egg? He's the character warning players about aliens. He arrives on Monday, November 2 "with strange UFO signals". The developers haven't said what he does or whether he gives a task.
Is the Alien Biome Update 11? The developers haven't numbered it. The latest numbered post is Update 10.5, so Update 11 is a likely label but not an official one yet.
Are there Alien Biome codes? No. Steal An Egg has no code system, so any code, generator or script promising alien pets is fake.
Sources
- Official Roblox event listing "🛸NEW ALIEN BIOME" (event 4549553723768177202) and its RSVP counter, pulled 2026-11-01 13:30 UTC.
- Official Roblox event listing "SAE: Jonas Brothers LIVE!" RSVP counter, pulled 2026-10-29 01:30 UTC and 2026-11-01.
- Creator group "and Collect Rare Pets" announcements for Updates 6 to 10.5, pulled 2026-11-01.
- Roblox Games API, universes 10563114921 and 994732206, pulled 2026-11-01 13:30 UTC.
- Steal An Egg Wiki: Biomes and Enchanted Forest, pulled 2026-11-01.
- StealAnEgg.app: Halloween Part 2.5, updated 2026-11-01.
- IGN: All Eggs, October 31, 2026.
