hidden/MiscBin.pak was undocumented: 40 entries, none name-resolved, holding 11 REGN objects and 11 MCOL objects (plus 18 others). Eleven of each pairs them one per map. The REGN header decodes to a bbox, an extent, a cell size, grid dimensions, six counts and four section offsets - and it self-checks twice over all 11 objects: extent == cell x dims holds exactly 11 of 11, and counts[3] equals the cell count (1000 on every 10x10x10 map, 125 on every 5x5x5). Two independent fields reproducing the same grid is what makes it a decode rather than a guess. Three map sizes exist: half-extent 250000 with 50 km cells, 50000 with 10 km cells, and 25000 with 10 km cells on a 5x5x5 grid. Written without overclaiming against the question that prompted it: a mission's enemy count rises and falls, so a scheduler with parameters exists somewhere, and a per-map cell grid is the kind of structure such a thing is indexed by - but the four data sections are unread and nothing here shows spawn parameters. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PMRJjbxLqZtsb5Vb7KunPE