Since the game is no longer sold digitally, players generally turn to two main methods: 1. Physical Discs and Abandonware Sites

You might have noticed that Transformers: Dark of the Moon isn't available on major storefronts like Steam or the Epic Games Store. This is due to between Hasbro and Activision that expired years ago. As a result, the game has been "delisted," meaning you can no longer buy a digital copy directly from official retailers. How to Get "Transformers: Dark of the Moon" on PC

Unlike many rushed movie games, Dark of the Moon was developed by High Moon Studios—the same team behind the fan-favourite Cybertron series. This means the mechanics are solid.

The most reliable way to play is finding a physical PC copy on sites like eBay. However, because it’s a "lost" game, many fans turn to . These websites host games that are no longer supported or sold by their original creators.