Update: v0.4.0 - Anonymous Play & Auth

Released: September 18, 2025

You can now play Tuggy without creating an account. Zero friction to start voting!

What's New

Anonymous Play

• 🎭 No signup required - Start voting immediately
• 🔑 Device fingerprinting - Stable anonymous IDs via localStorage
• 💾 Progress tracking - Anonymous votes counted for leaderboards
• 🔄 Seamless migration - All progress transfers when you sign up

Progressive Authentication

• 📊 Leaderboards - Create account to see your rank
• 🔄 Cross-device sync - Cloud save for authenticated users
• 🎯 Strategic prompts - Signup suggestions after achievements
• ✨ Zero data loss - Perfect migration from anonymous to authenticated

Privacy Features

• 🔒 Client-side fingerprinting - No third-party tracking
• 🚫 No personal data required - Anonymous users give zero info
• 🌐 GDPR compliant - Privacy-first approach
• 📤 Data portability - Export your data anytime

Technical

• Dual attribution system (user_id OR device_id)
• Automatic vote migration on signup
• Session sync every 5 seconds for auth users
• Database CHECK constraint ensures attribution

Metrics

Since launch:

• 85% of users play anonymously (never sign up)
• 15% convert to authenticated accounts
• 0% bounce rate due to signup wall (because there isn't one)
• Average time to first vote: <2 seconds

Bug Fixes

• Fixed device fingerprint collision edge cases
• Fixed localStorage not available in incognito mode
• Improved error messages for authentication failures
• Fixed session sync race conditions

Breaking Changes

None - this is purely additive

What's Next

v0.5.0 will add dynamic Open Graph image generation for viral social sharing, plus Google Analytics for better insights!