Game guide

In Area 51 — Choosing your portal

In Area 51 [ALPHA]

Metrivus, Playing 639, Rating 96.6%

Creator Metrivus

Playing 639

Rating 96.6%

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About

Overview

In Area 51 is a survival game set inside the infamous facility, blending PvE monster-hunting with optional player-versus-player combat across five worlds and more than fifteen modes. Your main goal is to fight through each world, defeat its boss, and ultimately take down the True Final Boss to complete the storyline. This guide covers how to get started, how progression works, what the bosses drop, and how to unlock harder modes.

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What is on this page

Contents

01 Choosing your portal Table 02 Working through the five worlds Step 03 Live and upcoming events Events 04 Rebirthing and mode unlocks Check 05 PvP tools and the death camera Tips 06 Status effects and new systems Summary 07 Store, clans, and free-to-play limits Tips 08 Glossary Words 09 Common questions FAQ

Choosing your portal

Table

In short Pick the white portal to fight AI enemies and progress the story; pick the yellow portal to fight other players.

Every session starts with a portal choice. The two portals send you into completely different experiences, so knowing which is which saves a lot of confusion early on.

White portal	PvE mode, where you fight AI enemies and bosses to advance the storyline
Yellow portal	PvP mode, where you battle other players

Ask on the board

Working through the five worlds

Step

In short Each world ends with a boss fight, and clearing them in order is how you move the story forward.

The game is structured around five boss dimensions, each gated by specific requirements. You work through them in sequence, with the later worlds demanding rebirths and special items before you can even enter. Defeating a boss can also reward you with a weapon drop tied to that boss alone.

World 1 (Golden Void) reach The Creator's Boss Dimension; The Creator can drop the Death Ray and has a 5% chance to drop the Dual Death Sawed-off Shotgun
World 2 (Classic Glow Town) reach The Devourer's Boss Dimension; the Cyborg boss found along the way can drop the Machine Gun
World 3 (Void Ruins) reach The Skeleton's Boss Dimension; the Mad Killer boss can drop the SCAR Rifle, and Slenderman can drop the Auto Shotgun
World 4 (Eternal Darkness) reach The Headless's Boss Dimension; requires 5 rebirths and 3 Boss Hearts
World 5 (Metrivus Dimension) reach The Manipulator, the True Final Boss; requires 15 rebirths and the Anomaly Entity item

03 Live and upcoming events Events

いま開催中・開催予定のイベントです。期間が決まっているので先に確認しておきましょう。

Upcoming Oct 10 – Dec 6

[🔥] Gun Update 2

GUN UPDATE 2 [🔥] A major update to the gun system is here! It now features an anti-gun exploit system, new gun statu…

Upcoming Oct 10 – Dec 6

Halloween Event [🎃]

🎃 In Area 51: HALLOWEEN UPDATE 🎃 The spooky season is here with powerful weapons waiting to be found! Event Features…

See the whole schedule

Rebirthing and mode unlocks

Check

In short Rebirthing is the main progression gate — the more rebirths you have, the more of the game opens up.

Several modes are locked entirely behind rebirth counts. Some of the toughest modes also require rare items on top of the rebirth requirement.

Rebirth once to unlock Hardcore Mode and earn the First Reborn badge
Reach 3 rebirths to unlock the Corrupted Portal
Reach 10 rebirths and obtain the Eternal Warrior item to access Unknown Mode
Reach 25 rebirths and collect 2 Giant Clone's Keep items, the Hellhound Reaper, and the Boombox Brawler to access Unseen Mode
Complete the Nightmare Trial to unlock Nightmare Mode

Stuck? Try a video

How to Get the Demonic Bomb & Phantom Scythe In Area 51 [ALPHA] Roblox

World 5: How to Beat the Final Boss Metrivus Unlock God Slayer & Sword - In Area 51 [ALPHA] Roblox

Nightmare Trial How to get Dual Dark Raygun In Area 51 [ALPHA] Roblox

See more guide videos

PvP tools and the death camera

Tips

In short PvP has built-in systems to help you learn from losses and keep fights fair.

The yellow portal drops you into a competitive wasteland where the game adds a few features that do not exist in PvE.

Tips worth knowing

After you are eliminated in PvP, a death camera replays the fight from a third-person view so you can see exactly what happened
An anti-gun exploit system automatically detects unfair weapon use and applies penalties
Exploiting anything in the game risks a permanent ban
Press Q or the glasses button to switch to third-person view at any time

Status effects and new systems

Summary

In short Version 2.77 added two status effects and a boombox system.

These additions came in with the current version of the game.

Ignite a fire status effect

Electrify an electric status effect

Boombox System a music-based mechanic added to the PvP environment

Anti-Gun Exploit System automated detection for unfair weapon use

PvP Death Camera third-person replay triggered on elimination

Store, clans, and free-to-play limits

Tips

In short You can reach the True Final Boss without spending anything, and store prices vary depending on where you play from.

The game store sells optional items, but nothing in it is required to finish the main storyline. Store prices are automatically discounted based on your region.

Tips worth knowing

Completing the story and defeating the True Final Boss does not require any store purchases
Your region determines the discount you receive on store items automatically
Joining the Eternal Dark Clan gives you an in-game role

Glossary

PvE: Player versus Environment — you fight AI-controlled enemies and bosses rather than other players.
PvP: Player versus Player — you fight human opponents, accessed through the yellow portal.
Rebirth: A progression reset that unlocks harder modes and new areas of the game.
Boss Dimension: The arena for each world's main boss, which you travel to via a portal unique to that world.
Death Camera: A third-person replay that activates after you are eliminated in PvP, showing the fight from the outside.
Anomaly Entity: An item required alongside 15 rebirths to enter World 5 and fight the True Final Boss.
Eternal Dark Clan: An in-game clan you can join to receive a role.

Common questions

FAQ

How do I get weapon drops from bosses?

Each boss has a specific weapon it can drop: Slenderman drops the Auto Shotgun, Cyborg drops the Machine Gun, Mad Killer drops the SCAR Rifle, and The Creator drops the Death Ray. The Creator also has a 5% chance to drop the Dual Death Sawed-off Shotgun.

Can I get permanently banned?

Yes. Exploiting results in a permanent ban. The anti-gun exploit system detects unfair weapon use automatically.

What do I need to reach the final boss?

To enter World 5 and fight The Manipulator, you need 15 rebirths and the Anomaly Entity item. World 4 before it requires 5 rebirths and 3 Boss Hearts.

Updated Oct 2, 2026
Game updates can change what is on this page. If you spot something, get in touch and let us know.

In Area 51 [ALPHA] Metrivus, Playing 639, Rating 96.6%

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