Security 51
Work the checkpoint inside Area 51: verify identities, follow changing protocols, detect anomalies, investigate employees, and survive decisions that shape the outcome.
33
Published guides
6
Wiki sections
EN · ZH · JA · KO
Languages
2026
Current edition
Built around real player questions
What this Security 51 wiki covers
Use this site during a real shift: verify identities, understand changing protocols, investigate suspicious employees, trace decisions, and plan ending or achievement runs.
Every guide has one clear job, a visible review date, and a direct next step.
Find the answer faster
Browse by game system
Pick the part of your run that is blocking you. Every section leads to focused, player-first guides.
Start here
Guides
Walkthroughs, verification procedures, and practical shift guides.
View allKnow the outcome
Endings
Choices, consequences, routes, and ending requirements.
View allCheck the roster
Characters
Confirmed employee and character profiles connected to cases.
View allOpen the file
Cases
Investigations, suspicious incidents, and anomaly reports.
View allComplete the record
Achievements
Achievement requirements and focused completion routes.
View allStay current
Release
Release details, PC availability, patches, and updates.
View allFreshness matters
Recently published and revised
Dates are visible before you open a guide, so stale advice is easier to spot.
Report for duty
Your first Security 51 shift
Learn the checkpoint
Start with the inspection loop, essential controls, and the information you must compare before making a decision.
Verify every identity
Check documents, clearance, appearance, scans, and contradictions instead of trusting one signal.
Track cases and anomalies
Connect suspicious employees and unusual incidents to the rules and evidence available on that shift.
Plan choices and endings
Review decision points and consequences before committing to a route or completion run.
Field manual
High-intent starting points
The guides players usually need before an inspection, investigation, ending route, or completion attempt.
Security 51 Beginner Guide: Tips, Mechanics, and Day-by-Day Walkthrough
New to Security 51? This beginner guide covers core mechanics, daily progression, tools, and tips to master your shifts at Area 51.
View guideSecurity 51 Gameplay Guide: Master Area 51's Anomaly Detection Protocols
Complete Security 51 gameplay guide covering daily orders, anomaly detection, camera tips, and advanced strategies for new agents.
View guideSecurity 51 How to Spot Imposters: The Complete Inspector's Guide
Master Security 51 with our expert guide on spotting imposters, verifying documents, and catching every fake identity in the game.
View guideSecurity 51 Quarantine Guide: Master Gate Screening at Area 51
Complete Security 51 quarantine guide with screening tips, tool breakdowns, day-by-day strategies, and FAQ for mastering Area 51 gate checks.
View guideSecurity 51 Security Check Guide: Complete Day 1-14 Walkthrough
Master every shift with our Security 51 security check guide covering tools, anomalies, field operations, and pro tips for Days 1-14.
View guideSecurity 51 Verification Guide: Master Area 51's Security Protocols
Complete Security 51 verification guide covering anomaly detection, order priorities, camera tricks, and clearance rules for Area 51 agents.
View guideSecurity 51 Field Sections
Connected guide routes
Move from the quick answer to the next decision without returning to search.
Security 51 Walkthrough
Step-by-step help for security shifts, investigation progress, major decisions, and story advancement.
View allVerification Database
Identity checks, clearance verification, scanning procedures, and anomaly detection explained.
View allSecurity Rules
Practical procedures for allowing or denying access and evaluating suspicious situations.
View allChoices, Consequences & Endings
Important decisions, route consequences, and ending requirements for replay-focused players.
View allCases & Investigations
Suspicious employees, anomalies, and notable incidents organized for quick reference.
View allCharacters & Profiles
Confirmed character profiles connected to inspections, cases, and decisions.
View allAbout this one-game wiki
What is Security 51?
Security 51 is a science-fiction horror security simulator from Alawar. You work inside an Area 51 facility and decide who is allowed through by checking identities, permissions, equipment, and suspicious behavior.
The rules and threats escalate across shifts. This independent guide organizes practical answers around inspections, cases, employees, story decisions, achievements, and release information.
Developer
Alawar
Release
August 12, 2026
Platform
PC / Steam
Genre
Horror Simulation
Mode
Single-player
Core loop
Identity Verification
Security 51 FAQ
Quick answers before your next shift.
Ready for Your Next Shift?
Start with the walkthrough, then use the case, character, ending, and achievement sections when the facility gets harder to read.