Mini Game: AR Shell
What it does
Section titled “What it does”The AR Shell challenge (also called Shell Game) uses augmented reality to display three 3D cups through the device camera. A ball is shown under one cup, the cups shuffle, and the player must track and select the correct cup. Shuffle speed and number of rounds control difficulty.
Requirements
Section titled “Requirements”| Requirement | Value |
|---|---|
| Role | Agency or Admin |
| Event state | Event must be stopped |
| Device | AR-capable (ARCore on Android, ARKit on iOS) |
Player experience
Section titled “Player experience”- The challenge activates when the team reaches the GPS location.
- The player points the device camera at a flat surface.
- Three 3D cups appear through the camera as an AR overlay.
- A ball is shown under one cup, then the cups shuffle.
- The player taps the cup they believe hides the ball.
- The cups lift to reveal the result.
- Points are awarded for each correct guess. Multiple rounds are played.
AR Shell challenge creation form
Section titled “AR Shell challenge creation form”
Type-specific fields
Section titled “Type-specific fields”AR Shell uses only the common challenge fields. The AR rendering is handled by the game engine — there are no additional form fields for shell count or shuffle speed.
| Field | Where to configure | Notes |
|---|---|---|
| Points | Points (common field) | Awarded per correct guess within time limit |
The game always uses 3 cups. Shuffle speed and round count are controlled by the game engine configuration.
Behavior and rules
Section titled “Behavior and rules”- This type has direct points — scoring is automatic based on correct guesses.
- The game always presents 3 cups with 1 ball.
- Faster shuffle speed increases difficulty.
- Works best at locations with a clear, flat surface where AR objects render convincingly.