Where Does Marvel Snap Store Data and Settings?
Marvel Snap stores settings in the registry and cache in Unity folders, with cards and progress bound to the account.
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Marvel Snap keeps almost nothing local worth mourning. Cards, decks, and rank live server side under your account. The PC holds a registry key for settings plus Unity cache folders for downloads.
Copy the registry key to skip reconfiguring a fresh install, or ignore it entirely. Either way the collection returns with a sign in on PC or phone. The two Unity folders only deserve attention when clearing a corrupt cache, never for backups.
Where Marvel Snap stores this, by platform
HKEY_CURRENT_USER\SOFTWARE\Second Dinner\SNAP
Client settings under the Second Dinner key. Export it before reinstalls or leave it; the game rebuilds defaults. Cards never live here.
%LOCALAPPDATA%\Second Dinner\SNAP
Unity cache and downloads in the standard tree. Clear these to fix corrupt assets, not to back anything up.
<SteamLibrary>/steamapps/compatdata/1997040/pfx/
Steam Play prefix, app ID 1997040. The registry and Unity trees ride inside it.
Frequently asked questions
How do I move Marvel Snap to a new PC?
Sign in with the same account on the new machine. Cards, decks, and rank follow the login everywhere. Local copies move settings at most, so prioritize the login over the files.
Where are Marvel Snap settings in the registry?
Open regedit and browse to the Second Dinner key, or change options in game and let it write them. Cache folders beside it hold disposable data. Cards never live locally.
Where are Marvel Snap saves on Steam Deck or Linux?
Use the Proton prefix with app ID 1997040. The registry and Unity trees ride inside it. Steam Cloud mirrors the files while the account covers the cards.
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