Signal Hunter

Game Design Document: “Signal Hunter”

Objective: Be the first player to sync your gamepad to the robot PU by scanning for its secret radio channel.

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1. Game Overview

In this fast-paced technical challenge, a “Judge” hides the robot’s communication frequency. Players must use their knowledge of the gamepad’s interface to cycle through channels, testing for a connection. The first person to “hijack” the robot and prove they found the number wins.

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2. Game Setup

• The Robot (PU): * The Judge selects a random Radio Group between 0 and 50.
  • The Judge programs the robot to perform a clear action when it receives a specific signal (e.g., “On Radio Received ‘A’, Show Icon: Heart”).
• The Gamepads:
  • Each player starts with a gamepad set to Channel 0.
  • The gamepad must have a way to change the radio set group (e.g., Pressing Button A increases the channel number).
• The Arena: The robot is placed in the center of the room so all players can see its LED display or movements.

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3. Gameplay Mechanics

Phase 1: The Lockdown

The Judge moves out of sight, sets the Robot PU to the secret channel, and starts the robot. The Judge then announces: “The Signal is Live!”

Phase 2: The Search

• Tuning: Players use their gamepad buttons to increment their radio channel.
• Testing: After changing the channel, the player presses a “Test” button (e.g., Button B) which sends a command to the robot.
• Visual Feedback: Players must watch the robot. If the robot reacts (spins, displays an icon, or makes a sound), the player has found the correct frequency.

Phase 3: The Claim

To win, the player must:

1. Demonstrate Control: Make the robot perform the designated action three times in a row.
2. Report the Channel: Shaking the gamepad or looking at the screen, the player must shout out the exact channel number (0–50).

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4. Technical Configuration (MakeCode)

To make this game work, you can use these logic snippets in your extension/program:

For the Robot (PU):

Code snippet

radio.setGroup(randint(0, 50)) // Set by Judge
radio.onReceivedString(function (receivedString) {
    if (receivedString == "ping") {
        basic.showIcon(IconNames.Heart)
        basic.pause(500)
        basic.clearScreen()
    }
})

For the Player Gamepad:

Code snippet

let currentChannel = 0
input.onButtonPressed(Button.A, function () {
    currentChannel += 1
    if (currentChannel > 50) currentChannel = 0
    radio.setGroup(currentChannel)
    basic.showNumber(currentChannel)
})

input.onButtonPressed(Button.B, function () {
    radio.sendString("ping")
})

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5. Win Conditions

• The Winner: The first player to successfully trigger the robot’s “Heart” icon and correctly identify the Radio Group number.
• The Penalty: If a player shouts the wrong number or claims they have it without the robot reacting, they must sit out for 30 seconds (a “Signal Timeout”).

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