: This version typically includes the "Sonic Lost World - Nightmare" DLC, a bonus stage inspired by NiGHTS into Dreams

In the ecosystem of digital piracy, "CODEX" was a legendary warez group known for cracking Denuvo and Steam DRM. The label refers to the cracked version of Sega’s platformer that was released on torrent sites and Usenet shortly after the game’s official PC launch on November 2, 2015.

Sonic Lost World — CODEX