Fireworks.mania.v2021.12.7.zip ... — File:

Compressed zip files from unofficial sources (often labeled with version numbers like "v2021.12.7") frequently contain malware or unwanted software. It is strongly recommended to use official launchers to ensure the safety of your data. OUT NOW: Workshop, day/night, City map and more - SteamDB

The file corresponds to a legitimate version of Fireworks Mania - An Explosive Simulator , a physics-based sandbox game developed by Laumania ApS. Version Details (v2021.12.7) File: Fireworks.Mania.v2021.12.7.zip ...

It was a "Happy New Year" update following the game's major December 16, 2021, expansion that added an in-game Steam Workshop for mod support, a City map , and a Day/Night cycle . Compressed zip files from unofficial sources (often labeled