The Hacking Terminal Mk.2 is a custom-built electronic game device designed for immersive airsoft and tactical simulation events, running on an ESP32-S3 microcontroller with custom built Wi-Fi module and coded with MicroPython. It creates a timed hacking challenge where players must connect via WiFi, monitor progress on both their phones, and enter randomly generated codes before time runs out.
How It Works
The device establishes a WiFi hotspot called “HACK_TERMINAL” with intentionally limited range (15 – 20 metres), forcing players to stay close to the physical prop during gameplay. Players connect through their smartphones to access a Matrix-themed web interface that displays real-time hacking progress as a percentage bar. The terminal runs a 10-minute countdown timer during which players must “hack” the system by maintaining connection and responding to periodic code challenges.
Game Mechanics
Every 90 seconds, the system pauses and generates a random code between 4-10 digits long, displayed simultaneously on the device’s 128×64 OLED screen and the web interface. Players have a 45-second window to correctly enter this code on their phones. Failing to enter the code in time results in a harsh 90-second penalty that sets progress backward, while success allows the hack to continue. This creates intense time pressure and requires teamwork when multiple players are connected.
Hardware Components
The terminal uses professional-grade components including dedicated GPIO pins for visual feedback (green and red LEDs), audio alerts (buzzer), and three wire input pins for potential physical puzzle integration. The SPI-connected SSD1306 OLED display shows game status, connection counts, progress percentages, and verification codes in real-time. The ESP32-S3 handles asynchronous operations including client monitoring, game timing, and web server functionality simultaneously.
Completion Sequence
When players successfully reach 100% progress, the system enters a final decision phase where they must choose between two dramatic options: “DETONATE” or “DISABLE”. After selection, an 8-digit final code appears on both the device screen and web interface. The terminal tracks all connected devices throughout the session, displaying both currently active and total historical connections, so you know if someone has attempted to hack the server..
This sophisticated prop demonstrates how accessible hardware and creative programming can transform standard electronics into compelling interactive experiences for tactical gaming events and will be features on October 25th at our Operation Shadow Strike event.
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