Your multistream chat, playing one game.
Chat play means your viewers play by typing in chat: StreamArena reads Upstream.so's Multi-chat, which merges YouTube, Twitch, Kick and Rumble into one feed, so every chat plays the same round on one scoreboard. It is free, on Upstream.so's free plan too.
YouTube, Twitch, Kick and Rumble chat in one feed
Timed by when each answer was sent
Guests, viewers in OBS, and viewers on TikTok or Instagram
Four chats, one scoreboard.
Free on Upstream.so, with limits that keep it fair.
YouTube, Twitch, Kick and Rumble land in one feed through Upstream.so's Multi-chat. Every answer is timed by when it was sent, so a slow platform never loses.
Guests and viewers without chat, on TikTok or Instagram, join the same round by phone.

And a team word twice a second at most.
Names and free text pass the safety filter before they show on screen.
How does chat play work?
When you multistream with Upstream.so, its Multi-chat already pulls YouTube, Twitch, Kick and Rumble chat into one feed. A StreamArena game in your Upstream.so studio reads that feed. Every message becomes one answer with a name and a platform badge, and the game checks it against the round: a guess, a vote or a team word.
Chat and phones play together. Guests and viewers without chat, on TikTok or Instagram for example, join the same round by phone.

What can chat type?
Each game declares which inputs it uses.
| Input | What viewers type | Games | Good to know |
|---|---|---|---|
| Guess | Free text, like dune | Movie Barcode, Zoom Out, Emoji Decode | Matched loosely: case, accents, "the" and small typos don't matter |
| Vote | A number, like 1 or 2 | Higher or Lower | The last vote counts, so copying doesn't help |
| Team | A team word, like !cats | Tug of War, Platform Wars | Counted twice a second per player at most |
| Phone only | Nothing in chat | Chat vs Host (the host side) | The only way to keep an answer secret |
Best with a multistream chat
These put all four chats on one board.
Platform Wars
YouTube vs Twitch vs Kick. Your platform is your team.
PopularMovie Barcode
Guess the film from its color barcode.

Tug of War
Two teams, one rope. Type your team word to pull.

Higher or Lower
Chat votes 1 or 2 on which is older, taller or pricier.

Questions
Which chats can play?
YouTube, Twitch, Kick and Rumble, when you stream through Upstream.so.
Is chat play free?
Yes. It is included on Upstream.so's free plan.
Why does chat play run through Upstream.so?
Because reading chat is the hard part: YouTube limits it per app per day, and each platform has its own rules. Upstream.so already reads all four chats, so StreamArena uses that one pipeline, which keeps chat play free and every chat on the same clock.
Can chat play in OBS?
Not today. In OBS, viewers play from their phone by scanning the code on screen.
Do I need to multistream?
No. Chat play works with one platform too. Multistreaming just puts more chats on the same board.
Does StreamArena post in my chat?
Chat play reads chat. You don't add a bot account or give mod rights.
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