If you obtained this file from a third-party or unofficial source (as the "proper piece" phrasing sometimes appears in community-shared archives), be aware that is a paid game available on Steam . Using cracked or unofficial versions can prevent you from accessing the Steam Workshop, which is where the majority of the game's community-made mods and additional fireworks are hosted.
: Adjustments were made to ambient light and stars to make nighttime firework shows less distracting and shadows more realistic. If you obtained this file from a third-party
: The update increased the "glow" intensity for tools and native firework materials to make effects look more vibrant. If you obtained this file from a third-party
Fireworks Mania :: Release of Multiplayer Update - Steam Community If you obtained this file from a third-party