Under a Rock Playtest Access Guide

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Core goal: get Steam playtest access for Under a Rock before the Survival Crafting Fest window closes. This is a closed, wave-based playtest. Anyone can request. Access is not instant and not guaranteed. If you are selected, Steam sends the invite. The fest and playtest window is tied to September 7 at 10am PT. Official posts are still telling people to request before time runs out.

1How to Request Access

1
Open the Steam store page while logged into the account you actually play on.
store.steampowered.com/app/1667040/Under_a_Rock/
2
Click Request Access, the green button on the playtest section.
There is no extra form, no Discord requirement, and no special eligibility. Official wording: everyone interested can request.
3
Also wishlist and follow the game on that same Steam page.
Players who already follow the page are the ones who see the invite notification first.
4
Stay signed into Steam. Desktop client is more reliable than the browser for playtest invites.
Check Steam client notifications, Library where the playtest build appears as a separate download once invited, and Steam email if you have that enabled.
5
If invited, install immediately and play.
This build is single-player only, Alpha, limited island, Tier 1 survival: harvest, recipes, craft, combat, building. Expect bugs and unfinished systems. Creature taming is not in this playtest.
6
After you play, submit the official feedback form the studio keeps linking.
forms.cloud.microsoft link from the official X account. That is the pipeline the developers actually read.

2Decision Points

Request now vs wait

Request now. Waves are automatic and spots are limited. Waiting until after the fest ends is the wrong call.

Which Steam account

Use your main account. Invites do not transfer. Do not request on a family-shared or unused alt.

Already requested, heard nothing

Do not request again from a second account. Keep the original request and watch notifications. Extra waves were still being opened during the fest.

Only want co-op or taming

Skip this test. Current playtest is single-player and does not include the companion or taming loop people saw in trailers.

Common Mistakes

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Assuming Request Access downloads the game immediately. It only puts you in the queue. Steam sends the invite in a later wave.
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Requesting on a family-shared or unused alt and then checking a different login. Use your main account.
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Ignoring Steam notifications for a day. Invites can sit unused. Check client, Library, and email.
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Expecting full multiplayer, late-game tiers, or creature collecting in this build. It is Alpha, single-player, Tier 1, no taming.
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Looking for keys, Discord codes, or giveaways as the main path. The path players and the studio are using is Steam Request Access.

If the Request Access button is already gone when you open the page, the fest window has closed and there is no community workaround. Wishlist and follow the Steam page for the next wave.