Steam 商店限時免費領取《Gravity Circuit》

商店頁面:https://store.steampowered.com/app/858710

領取方法:

• 登入Steam帳號:https://store.steampowered.com/login/
• 前往商店頁面，點擊「取得 Gravity Circuit」的新增至帳戶按鈕即可領取