Next Fest Twitch data shows 382 games took 95% of stream hours

A Twitch count from Steam Next Fest finds that a small fraction of demos absorbed almost all viewing time, while hundreds of others got a streamer or two at most.

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A count of Twitch streams during Steam Next Fest has found that a tiny slice of the games on show soaked up almost all the viewing time, while hundreds of others barely registered. According to figures published by Overheard, a developer tool that tracks fest streaming, 382 games took 95% of all recorded stream hours over the festival's first two days, Oct 19 and 20. A further 554 games had only one or two streamers each.

Steam Next Fest runs demos for unreleased games, and Twitch exposure during it is one of the few cheap ways a small studio can get in front of an audience that didn't already know to look for them. The appeal is obvious: a streamer plays your demo, their viewers watch, some of them wishlist. The problem, as Overheard's numbers lay out, is how few demos actually get that streamer in the first place.

How the count was done, and where it misses

Overheard pulled its figures from the official Twitch API, checked every 20 minutes by category, across whole UTC days. Of 7,291 games listed for the fest, only 3,157 could be matched to a Twitch category at all; the other 4,134 aren't counted anywhere in these numbers because Twitch has no category for them. Of the games that were matched, 936 were streamed at least once. The tool counts one stream as one channel, one game, one UTC day, and a stream under 20 minutes can be missed entirely. For 64 games the Twitch category name doesn't match the Steam title, so their totals may be inflated by streams of a different game sharing that category. The count also covers Twitch only: streams on YouTube or anywhere else aren't in these figures, so the real spread of attention could look different again.

Overheard's creator, who posted the data to a thread on r/gamedev, discloses that the stream lookup feeds into a separate report the same tool builds, showing where players get stuck in a demo. The lookup itself, available at Overheard's fest tracker, doesn't require using that report, and the developer offers to check any single demo's count on request in the thread.

Why the long tail disappears

The practical warning in the thread is aimed at the 554 games with just one or two streamers: if that's your demo, those handful of VODs may be most of the Twitch footage your game ever gets from this fest. Twitch keeps past broadcasts for seven days on a regular channel and 14 days on an Affiliate channel, so a stream from Oct 19 is already gone from a regular channel by Oct 26 unless someone saved it. Overheard's post also points to a smaller, fixable cause behind some of the silence: Twitch pulls its category list from IGDB, a games database, and a new category submission there takes days to review. A demo with no category at all has its streams filed under a generic bucket like Games + Demos, where nobody searching for it by name will find them. The developer's advice is to submit a category now, both for whatever remains of this fest and for the next one.

What the figures don't settle is why the imbalance is so steep. Wishlists, marketing budgets, genre and whether a streamer's community already knows the developer all plausibly feed into who gets picked up, and this count doesn't try to separate them out. It also can't say how much the 4,134 unmatched games were streamed, since they have no category to count against. Overheard says its live lookup updates daily and will cover more of the fest as it runs, so the final shape of the 95% figure may shift before the numbers are closed off.

Sources

Image: Overheard