ドミニオン 機動戦士ガンダム アーセナルベース is a Chrome add-on and tool that brings Gundam Arsenal Base card illustrations to the Dominion card game. This web-based tool allows players to use Gundam Arsenal Base card skins in their Dominion game, with the skins randomly replacing the original Dominion cards. The add-on includes card skins from Gundam AB until April 2023.

To access the add-on, users can either click on the Dominion 機動戦士ガンダム アーセナルベース option in the dropdown list after pressing the extension button on the toolbar, or directly access it through the website dominion.games. Additionally, users have the option to right-click on the background to hide the chat board and history display. They can also use the external BGM feature by clicking on the () button at the bottom right, which takes them to a YouTube page.

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