| RPG Maker MV/MZ | .rpgsave, .rmmzsave | Stable | Yes | Yes | Yes | ok for supported payloads; compression strategy preserved on export. | 2026-02-07 |
| RPG Maker VX/VX Ace/XP | .rvdata2, .rvdata, .rxdata | Stable-limited | Yes | Yes | Yes | ok; guarded Ruby Marshal rebuild for common fields such as gold, items, variables, switches, and actor stats. | 2026-05-25 |
| RPG Maker 2000/2003 | .lsd | Stable-limited | Yes | Yes | Yes | Gold, items, actor level/EXP/HP/MP, variables, and switches use source-preserving LCF chunk rebuild; unknown chunks are preserved. | 2026-05-25 |
| Unity | .xml, .plist PlayerPrefs | Stable | Yes | Yes | Yes | ok; source key order and source value type are preserved during rebuild. | 2026-02-07 |
| Unity | Binary plist PlayerPrefs (bplist00) | Stable-limited | Yes | Yes | Yes | ok; binary plist payloads are rebuilt as binary plist. Unknown binary PlayerPrefs remains blocked as unsupported_binary_playerprefs. | 2026-06-09 |
| Ren’Py | .save | Stable-limited | Yes | Yes | Yes | ok; writes restricted to primitive values under persistent. | 2026-05-25 |
| Unreal Engine | Standard GVAS .sav | Stable | Yes | Yes | Yes | standard_gvas. | 2026-02-07 |
| Unreal Engine | Wrapped GVAS (gzip/zlib) | Stable | Yes | Yes | Yes | compressed_repackable; safe recompression supported for gzip/zlib only. | 2026-02-07 |
| Unreal Engine | Other wrapped/custom .sav | Read-only | Yes | No | No | compressed_readonly, unsupported_container, decompression_failed, decompression_limit. | 2026-02-07 |
| Palworld | Player .sav | Stable/Guarded | Yes | Yes | Yes | Unreal-compatible mode + heuristic quick fields with confidence and ambiguity tracking. | 2026-02-07 |
| Palworld | Level.sav (world) | Read-only | Yes | No | No | world_file_limited; inspection-first until safe world mapping is available. | 2026-02-07 |
| GameMaker | .json, .ini | Stable | Yes | Yes | Yes | ok; INI comment/section/key order are preserved, with multiline + escape round-trip coverage in parser regressions. Raw fallback uses raw_fallback when structured parse fails. | 2026-02-07 |
| NaniNovel | .nson/.json/base64/gzip/zlib/base64+gzip | Stable | Yes | Yes | Yes | ok; raw-deflate/json/base64/gzip/zlib/base64+gzip wrappers supported. | 2026-02-07 |
| NaniNovel | Encrypted/custom containers | Unsupported | No | No | No | likely_encrypted_container, unsupported_naninovel_wrapper. | 2026-02-07 |
| Generic structured | .msgpack, .cbor, .bson, .yaml/.yml, .toml, .properties/.props/.conf, .csv/.tsv, .cfg, .xml, .sol, .es3, .pkl/.pickle | Stable-limited | Yes | Yes | Yes | ok; structured payloads are rebuilt in the same container. Key-value formats preserve comments and block deletes of existing keys. .xml is editable as text in the Generic editor path. .sol supports standard Flash SharedObject AMF0 payloads. .es3 supports unencrypted JSON and gzip JSON containers. .pkl export is limited to simple JSON-safe values. | 2026-06-09 |
| Generic database | .db/.sqlite/.sqlite3/.db3/.s3db/.sl3/.sqlitedb | Stable-limited | Yes | Yes | Yes | ok; browser-side SQLite import/export updates existing visible rows in the original database. Schema changes, row inserts, deletes, and row identity edits are blocked. | 2026-06-09 |
| Generic containers | .zip, .json.gz, .yaml.gz/.yml.gz, .json.zlib, .yaml.zlib, .json.deflate, .json.bz2, .json.lz4, .json.zst/.json.zstd, .json.b64/.json.base64, .json.lzstring | Stable-limited | Yes | Yes | Yes | ok; supported wrapped JSON/YAML/TOML/properties/CSV/CFG/XML/text payloads are unpacked locally, edited, then rebuilt into the original wrapper. ZIP export preserves unsupported archive entries and blocks editable entry add/delete. Other compressed payloads are read-only until the inner format is proven. | 2026-06-09 |
| Generic binary | .dat | Read-only | Yes | No | No | read_only_generic; recognized with transparent reason and disabled export. | 2026-05-25 |