{"rid":"storage/steam-cloud","card":{"rid":"storage/steam-cloud","eid":"steamgames","topic":"storage","slug":"steam-cloud","provider":"Steam Cloud (developer-set per-app quota)","url":"https://partner.steamgames.com/doc/features/cloud","domain":"steamgames.com","category":"cloud-drive","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","confidence":"reported","binding":"per-object-cap","identity_kind":"email","identity_basis":"defaulted","needs_card":null,"needs_phone":null,"needs_id":null,"needs_institution":null,"country":null,"crypto":null,"interfaces":"rest","egress_metered":0,"per_object_bytes":100000000,"retention_days":null,"verified_at":"2026-10-21T00:00:00.000Z","verified_basis":"inherited","checked_on":"2026-10-21","stale_on":"2026-11-04","n_evidence":4,"usd_month":null,"usd_per_tb_month":null,"summary":"Quota is set by each game's developer as 'Byte quota per user' and 'Number of files allowed per user', 'enforced on each Cloud-enabled game, on a per-user-pe...","duplicate_of":null,"n_unknown":5},"record":{"topic":"storage","slug":"steam-cloud","provider":"Steam Cloud (developer-set per-app quota)","url":"https://partner.steamgames.com/doc/features/cloud","category":"cloud-drive","free_tier":{"stated":"Quota is set by each game's developer as 'Byte quota per user' and 'Number of files allowed per user', 'enforced on each Cloud-enabled game, on a per-user-per-game basis'. No Valve-imposed total. Community-observed ceilings: 93 GB per game, ~10,000 files. Defaults are frequently tiny (a few MB to 1 GB).","unit":"objects","metered_on":"unstated","source_url":"https://partner.steamgames.com/doc/features/cloud","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"100 MB per File","bytes":100000000,"source_url":"https://partner.steamgames.com/doc/features/cloud","notes":"not stated"},"retention":{"stated":"per-object-cap: 100 MB per FileWrite call (256 MB 'may result in a non-optimal storage endpoint'); per-object-cap: ~10,000 files per cloud save; the game must be launchable/owned for the user, and impersonating it blocks normal play during sync. Retention: indefinite — no expiry documented, but a developer can change quota or delist and the data can be evicted.","source_url":"https://partner.steamgames.com/doc/features/cloud","notes":"not stated"},"egress":{"terms":"Unmetered and anonymous on the download path via the Steam client / Steamworks SDK. No published per-GB charge.","metered":false},"interface":["rest"],"interface_detail":"rest","tooling":"Steamworks SDK `ISteamRemoteStorage` (FileWrite, FileWriteStreamWriteChunk, FileReadAsync). Working wrapper exists: github.com/Fldicoahkiin/SteamCloudFileManager — 237 stars, Rust, Windows/macOS/Linux, '支持任意文件的上传、下载与删除' (arbitrary file upload/download/delete against any owned game's cloud). Design writeup: krutonium.ca/posts/using-steam-as-cloud-storage/.","chaining":"One Steam account x every owned Cloud-enabled game with a large quota. At 93 GB/game, 12 games = ~1.1 TB; 100 games = ~9 TB. Multiply again by accounts. The lever is picking titles whose developers set 93 GB, not buying storage.","limits":[{"kind":"per-object-cap","value":"100 MB per File","source":"https://partner.steamgames.com/doc/features/cloud"}],"limits_note":"per-object-cap: 100 MB per FileWrite call (256 MB 'may result in a non-optimal storage endpoint'); per-object-cap: ~10,000 files per cloud save; the game must be launchable/owned for the user, and impersonating it blocks normal play during sync. Retention: indefinite — no expiry documented, but a developer can change quota or delist and the data can be evicted.","identity_cost":{"kind":"email","detail":null,"country":null},"reliability_note":"Entirely undocumented by Valve; a developer lowering their quota can strand data, and files are re-downloaded into the local save folder on game launch. No public bans recorded.","confidence":"reported","confidence_note":"One page read moves it to documented.","evidence":[{"url":"https://partner.steamgames.com/doc/features/cloud","date":"2026-10-21","proved":"'you must set the Byte quota per user and Number of files allowed per user options ... This quota is enforced on each Cloud-enabled game, on a per-user-per-game basis'; file-size table '100MB Maximum size for a call to ISteamRemoteStorage::FileWrite'"},{"url":"https://krutonium.ca/posts/using-steam-as-cloud-storage/","date":"2026-10-21","proved":"(published 2026-05-09) — '93GB Cloud Save Storage per Game, Maximum'; '100MB per File is an Ideal Limit, but above 250MB the back end for the API will start to hate you'; 'Possible Limit of 10,000 Files per Cloud Save'"},{"url":"https://api.steampowered.com/ISteamRemoteStorage/GetPublishedFileDetails/v1/","date":"2026-10-21","proved":"probe: GET (POST, no key) -> 200, returns file_size 4997533 for item 450814997 — Steam's public storage APIs answer anonymously"},{"url":"https://forums.factorio.com/viewtopic.php?t=130969","date":"2026-10-21","proved":"(Sep 2025) — 'poly bridge 3 has 93GB available', user reports 23GB used in Factorio"}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-21T00:00:00.000Z","notes":"Quota is set by each game's developer as 'Byte quota per user' and 'Number of files allowed per user', 'enforced on each Cloud-enabled game, on a per-user-per-game basis'. No Valve-imposed total. Community-observed ceilings: 93 GB per game, ~10,000 files. Defaults are frequently tiny (a few MB to 1 GB).","extras":{},"binding":"per-object-cap","binding_note":"the per-object cap sets the shard size and therefore the object count; it bounds the total more tightly than any headline quota"},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":93,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[0].value","kind":"limit:per-object-cap","num":100,"unit":"MB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"}],"unknown":[["$.free_tier.notes","process"],["$.identity_cost.detail","defaulted"],["$.identity_cost.kind","identity-defaulted"],["$.per_object_cap.notes","not-extracted"],["$.retention.notes","not-extracted"]],"history":[],"drift":[]}