Import Your Decks

PrerequisiteCreate an Account

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Create an Account

Altered Re:Union is the main community hub for Altered TCG. To manage your decks here, you need a free account — separate from your Altered.gg login.

Go to altered.re/pages/login.

Click « Create an account » — you will be redirected to the Altered Re:Union authentication platform.

Fill in your details and confirm your email. You can then access your deck library at altered.re/pages/decks.

Note: Altered Re:Union is an independent community platform, endorsed but not directly affiliated with Equinox. Your Altered.gg credentials will not work here.

Single deckImport a Single Deck

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Option A

Decklist import

Manually enter your deck list in the format quantity reference (e.g. 3 ALT_CORE_B_AX_02_C), one card per line.

Prepare your deck list in the required format: one card per line, starting with the quantity then the card reference (e.g. 3 ALT_CORE_B_AX_02_C).

Go to altered.re/pages/decks and click the Import a deck button, then select the From decklist tab.

Paste your formatted deck list and click Import. The deck will appear in your personal library.

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Option B

URL / ID import

Paste your Altered.gg deck URL or ID directly into Altered Re:Union to import it instantly.

Open your deck on altered.gg and copy the URL from your browser's address bar (or just the deck ID).

Go to altered.re/pages/decks and click the Import a deck button, then select the From Altered.gg tab.

Paste the URL or deck ID and click Import. The deck will appear in your personal library.

BulkImport Multiple Decks at Once

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Option A

Personal Data CSV Export

Download your deck.csv from Altered.gg's account settings and import it directly into AlteredCore.

Request and download your personal data export. Locate the decks.csv file in the archive.

Go to deckbuilder.alteredcore.org/decks/import/csv and upload the file. All your decks will be imported in one step.

Tip: The CSV method requires no browser extension. Keep in mind that Altered.gg may take a few minutes to generate your personal data archive.

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Option B

Browser Extension + JSON

Use the Altered Decklist Retrieval plugin to export all your decks as a JSON file, then upload it to AlteredCore.

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Available for Chrome / Chromium and Firefox. Connects to your Altered.gg account and exports all your decks as a structured JSON file.

Install the extension in Chrome or Firefox.

Go to altered.gg/decks while logged in — you will see a <> EXTRACT button at the bottom right of the page.

Click the <> EXTRACT button and wait a few seconds. The extension will retrieve all your decks and prompt you to save them as a .json file.

Go to deckbuilder.alteredcore.org/decks/import/altered and upload the JSON file. All your decks will be imported at once.