Add the complete organic forest family and two Source-guided terrain tiles with portable reproduction tools and review evidence. Preserve existing game assets and restore fifteen referenced archival metadata files.
Validation: 157 maintained HD-tool tests; installed HD validation 5539/5539 with zero rejects; 45 mods; three 1080p SDL controls unchanged. SourceF binaries and gameplay are unchanged. Native Windows validation for the preceding 5521-picture commit passed.
Add the final boss picture, three coherent terrain remasters and complete DSHP20G3/WORMRITE catalogue families. Preserve generated parents, portable recipes, derivation receipts and separate artistic/context reviews.
Validate 5500 HD pictures with zero rejects and all 45 mods. Review three unchanged 1080p SDL controls, preserve existing runtime/data bindings, and update Linux/Windows shared-data metadata and progress records. Cleanup tools pass 101 tests plus 12 TARGT input-safety tests; TARGT artwork remains pending.
Add difficulty-scaled light aircraft without changing boss timing or existing stats. Validate four paired campaign continuations, save compatibility, bundled resources and the maintained Stage II suite.
Bundle six reviewed original pictures with preserved native geometry and explicit Original detail. Validate the 5413-frame portable pack and record qualified genuine scene comparisons.
Add reviewed native terrain artwork, preserve original detail where required, and validate versioned carried Terrain identities. Bundle the 5407-frame pack for Linux and Windows and record current validation results.
Add rational atlas cells and bounded authenticated Original-detail retention with standalone synthetic regression checks. Rebuild Linux and Windows runtimes; validate all 5384 supplied frames and preserve three exact 1080p regression controls.