The underlying framework used to run the game.
Windows (implied by the .zip format and typical version numbering). File: Celeste.v1.2.1.11.zip ...
If you are obtaining this file from a source other than an official storefront (like Steam or Epic Games Store ), be cautious. Zip files from unofficial third-party sites can contain malware. Always verify file integrity using a tool like VirusTotal before execution. The underlying framework used to run the game