Product Code Database
Cheat Engine ( CE) is a proprietary, closed source Memory address/debugger created by Eric Heijnen ("Byte, Dark") for the Windows operating system in 2000. Cheat Engine is mostly used for cheating in computer games and is sometimes modified and recompiled to support new games. It searches for values input by the user with a wide variety of options that allow the user to find and sort through the computer's memory. Cheat Engine can also create standalone trainers that can operate independently of Cheat Engine, often found on user forums or at the request of another user.
As of version 6.1, Cheat Engine can produce game trainers from the tables. While trainers generated in this way are typically very large for their intended purpose, generally used for testing purposes, some have been released by trainers groups as "final" versions, and even some popular sites are fully based on CE trainers due to the ease of trainer creation with CE. However, despite their popularity, CE trainer maker has not been updated since its implementation in version 6.1—it is largely unsupported, and emphasis is given on using Lua to generate trainers. Even the trainer maker itself uses Lua scripts to generate trainers.
Cheat Engine exposes an interface to its device driver with dbk32.dll, a wrapper that handles both loading and initializing the Cheat Engine driver and calling alternative Windows kernel functions. Due to a programming bug in Lazarus pertaining to the use of try and except blocks, Cheat Engine Lazarus had to remove the use of dbk32.dll and incorporate the driver functions in the main executable.
The kernel module, while not essential to normal CE use, can be used to set hardware and bypass hooking API in Ring 3, even some in Ring 0. The module is compiled with the Windows Driver Kit and is written in C.
Cheat Engine also has a plugin architecture for those who do not wish to share their source code with the community. They are more commonly used for game specific features, as Cheat Engine's stated intent is to be a generic cheating tool. These plugins can be found in several locations on the Cheat Engine website as well as other gaming sites.
Cheat Engine Lazarus has the ability to load its unsigned 64-bit device driver on Windows Vista and later x64 bit versions of Windows, by using DBVM, a virtual machine by the same developers that allows access to kernel space from user mode. It is used to allocate Paging in kernel mode, manually loading the executable image, and creating a system thread at Driver Entry. However, since the Driver Entry parameters are not actually valid, the driver must be modified for DBVM.
In addition to simple memory addresses, cheat tables can extend the functionality of Cheat Engine using the Lua scripting language. Almost all of Cheat Engine's features are scriptable, and it is even possible to design custom dialogs to interact with scripts.
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