The remains one of the most significant leaks in gaming history. Originally released by mistake in early 2017, this unencrypted version of the game offered a rare look behind the curtain at Playground Games’ development process, including "unannounced" content and powerful debug tools. The History of the 2017 Leak
: You can instantaneously change the time of day, weather, and lighting presets.
: Accessed via the tilde (~) key on a UK keyboard layout, this menu allows players to add any car to their garage for free, skip races, and instantly level up to 1000.
: Users can toggle car parts like hoods, hide the driver model for cleaner screenshots, and even modify vehicle textures directly. Risks and Technical Requirements
While the dev build offers immense freedom, it is highly unstable and comes with significant risks:
Microsoft quickly pulled the update, but not before thousands of users had downloaded it. This version became legendary for revealing the majority of the game's future content, including the entire Porsche expansion and several other cars that were not yet in the retail version. Key Features of the Dev Build