Developers can build interactive games, rich data overlays and more. Learn why developers should care about Extensions (and build one), how to build an Extension, and how Twitch can help you build an Extension even faster.

1. Extensions: Live Apps for
Live Streams
Greg Smith & Ryan Lubinski

2. Amazon GDC
Greg is the Product Manager for Extension
Developer Services
@bescuseme • twitch.tv/bescuseme
Greg Smith
Senior Product
Manager
Ryan is the Product Manager for Extension
Anchors and Interfaces
@ryan_lubinski • Diogee
Ryan Lubinski
Senior Product
Manager

3. Amazon GDC
Introducing
Extensions
Extensions are interactive video player overlays and
panels that can be installed directly on the channel
page by broadcasters

4. Amazon GDC
1 179 Extensions Launched to
Date (since September 2017)
2
Developers can build interactive
games, rich data overlays and
more
Fun Twitch Extensions Facts
(and what you’ll learn today)
4 Why you should care about
Extensions (and build one)
5 How you can build an
Extension
3
Nearly 2000 Extensions
Created since Launch by over
1000 Developers
6 How Twitch will help you build
an extension even faster

5. Amazon GDC
RPG Loot Collection
Game as an Extension
Stream Legends
(by Proletariat)
Individual progress saved across channels,
community progress is channel specific
Full mobile gaming-style experience directly
integrated with the Twitch channel page
Games on Twitch
Cross Channel Experiences

6. Amazon GDC
Real Time View of Loot
Stats and Perks
Destiny 2 Armory
(by Grab Games)
Provides transparency and education to viewers,
encouraging them to experiment
Loadout overlay updates as the streamer equips
new items
Real Time Data
No More “What gun is that?”

7. Amazon GDC
Blur the lines between
Playing and Watching
Innkeeper overlay
(by Curse inc.)
Synced with broadcast delay to avoid spoilers
Viewers experience powered by live metadata
stream from on-computer client
Live Game Data
The Ultimate Spectating Experience

8. Thank you!