ZeroDay Sim: Security Training

ESSAMULDEEN OBAID KHALLAWI ALMUGARE

About this game

ZeroDay Sim: Security Training is an immersive educational game that teaches cybersecurity through interactive terminal-based missions. Step into the role of a security agent and master defensive techniques in a completely simulated environment — no real systems, no risk, just pure learning.

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WHY ZERODAY SIM?
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Real Terminal, Zero Risk
Type real security commands into an authentic terminal emulator. Every command executes in a safe, sandboxed environment. Learn the tools and techniques used by professionals without any of the danger.

Mission-Based Progression
Progress through 30+ missions across 6 chapters covering network reconnaissance, vulnerability assessment, password security, web security testing, cryptography, and more. Each mission teaches a specific defensive security concept through hands-on practice.

CTF Challenges
Put your skills to the test in Capture The Flag mode. Solve cryptographic puzzles, analyze hash patterns, decode ciphers, and more. Compete on the leaderboard and earn your place among the top agents.

Byte AI Companion
Your personal assistant "Byte" is always ready to help. Ask questions about security concepts, get hints on missions, or just chat. Byte's knowledge base covers everything from basic terminology to advanced defensive strategies.

Daily Challenges
New challenges every day. Build your streak, earn bonus XP, and keep your skills sharp with fresh content that tests your knowledge in unexpected ways.

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KEY FEATURES
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• 30+ Missions across 6 chapters with escalating difficulty
• Fully simulated Linux terminal with 80+ commands
• Realistic filesystem and network simulation
• CTF mode with cryptography, steganography, and hash analysis
• Byte Chat — interactive AI companion for learning
• Daily challenges with streak tracking
• Achievement system with 30+ badges to unlock
• Cosmetic shop to customize your profile
• Global leaderboard to compare progress
• Certificate of completion upon finishing all missions
• Arabic / English bilingual support with RTL layout
• Works fully offline — no internet required
• No account creation needed — all progress saved locally
• Cyberpunk aesthetic with terminal-style UI
• Regular content updates

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WHAT YOU'LL LEARN
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• Network scanning and reconnaissance
• Vulnerability assessment techniques
• Password security and hash analysis
• Web application security testing
• Cryptography fundamentals
• Log analysis and forensics
• Security best practices and defense strategies

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PERFECT FOR
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• Beginners curious about cybersecurity
• Students preparing for security certifications
• CTF competitors looking for practice
• Anyone who wants to learn defensive security in a fun, gamified way

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NO REAL HACKING
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ZeroDay Sim is a purely educational simulation. All terminal commands, network scans, and security tests operate within the app's simulated environment. No real systems are accessed, modified, or tested. This app teaches DEFENSIVE security concepts only — how to protect systems, not how to attack them.

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PRIVACY
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ZeroDay Sim collects NO data. All progress, achievements, and settings are stored locally on your device. No account required. No ads. No tracking.

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SUPPORT
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For questions or feedback: [e-mail]

Start your training today. Become the agent your systems need.

What’s new

Fix some issues