Touch Grass Quest: An AI Scavenger Hunt That Gets You Outside

Description and use

Touch Grass Quest is an AI‑powered outdoor scavenger hunt that generates photo quests and evaluates them with Gemma, encouraging users to explore nature with minimal device use.

Problem

People want a simple, engaging way to explore outdoor environments and learn about nature without relying on complex tools or constant device use.

Outcome

The app successfully guided a 30‑minute garden walk, with the AI correctly identifying most photos and providing engaging facts, while keeping device use minimal.

Workflow

• Select location and difficulty in the Streamlit interface
• Generate five photo quests via Gemma 4 or local Gemma 3 (Ollama)
• Walk outside and capture photos for each quest
• Upload photos to the app
• Gemma model evaluates each photo, returns JSON with description, fun fact, and journal entry
• Review results on screen
• Repeat or share experience

Evidence

Touch Grass Quest is an AI-powered outdoor scavenger hunt. You pick a place and a difficulty, and the app generates five photo quests.

Source

The AI judged almost every photo correctly.

Source

I tested both AI engines on all three difficulty levels (Easy, Medium and Hard), with five quests each. That is about 30 photo checks in total.

Source