→ Compressed Hunks of Data (CHD format). This is not a raw ISO/bin/cue. CHD is lossless compression, originally for MAME (arcade hard drives/CDs), now widely used in emulators like DuckStation (PS1), PCSX2 (PS2), and RetroArch for PS1 games.
Gameplay & Mechanics
The .chd (Compressed Hunks of Data) format was originally developed by the MAME team. For PlayStation 1 games, it has become the gold standard for several reasons: Looney Tunes - Sheep Raider -USA- -EnFrEsPt-.chd
[Note: Refer to Redump.org for official hashes; a legitimate copy will match the 2023 Redump PS1 USA set.] → Compressed Hunks of Data (CHD format)