The Microsoft Azure CTO Mark Russinovich uses a monster 420 logical processor virtual machine to play Tetris using the CPU core list in Task Manager. For doing this, Russinovich redirected the console Tetris implementation output to his “Task Manager CPU pixel array,” which is likely based on a TaskManagerBitmap project’s modified version.

TaskManagerBitmap will increase the CPU usage of threads to change the shade of a virtual “pixel” using the threads assigned to a particular logical processor. For example, 100% of the processor’s CPUE processing power is utilized to change the logical core pixel color to black and switch back to white using 0%.

The result of Mark Russinovich playing Tetris via a Windows command prompt with the output of the game redirected to the Windows Task Manager by the CPU pixel array is as demonstrated below:

Credits: Mark Russinovich's Twitter Account

Max Holt YouTube channel posted a video during July 2020 about using this method to play Doom via the Windows Task Manager.

Credits: Max Holt YouTube Channel

Users called out this video as fake, although as they stated, Task Manager would not display the number of cores shown in the video without a scroll bar.

Playing a game, such as Doom on task manager also seems unlikely, as to how quickly the virtual pixels shades would need to be changed. The more feasible and doable experiment is to use a much slower-paced game like Tetris. But still, it is a fun experience when computers and hardware are hacked to perform something they weren’t intended to do.