If this is a file you have received or found, please provide regarding where it was sourced (e.g., a specific gaming forum, work portal, or software site) so I can help you summarize its contents. Version 0.90A Release Notes - Sidereal Technology

: Given the "Completed" suffix, it may be a private archival backup of field survey data or project deliverables, similar to data compression standards used in environmental or surveying manuals .

Based on the naming convention, this file likely belongs to one of the following categories, though none currently list a package with this exact name in their standard distribution:

: ClearHorizon Miniatures produces sci-fi wargaming modules like SpecOps . A zip file with "Completed" and "pc" could be a digital ruleset, a set of 3D print files, or a community-made game mod.