: While the original focused purely on the main trio, later versions often reference other entities like Lord X or Xenophanes , providing a broader "lore" for the EXE universe.

The "2.7" build specifically reflects the ongoing evolution of the Sonic.exe subgenre, which has seen a massive resurgence due to popular mods like .

: A Sonic fan named Tom receives a mysterious disc from his friend Kyle. The disc is labeled "Sonic.exe" and contains a warning to destroy it immediately.

: Players take control of these characters in sequence, only to be relentlessly pursued and brutally killed by the demonic entity mimicking Sonic.