Nintendo GameCube (GC), part of GameDB.
GC.data.json: All data, structured in the JSON formatGC.data.tsv: All data, structured in the TSV formatGC.release_dates.pdf: Histogram of release dates, stratified by regionGC.titles.json: Mapping of serial numbers to game titles, structured in the JSON format
The game folders in games have the structure DOL-XXXX-RRR, where XXXX is the game code (also known as game ID), and RRR is the region code. The game code is at offsets 0x0000 through 0x0003 (inclusive) of the disc header, and which can be used to uniquely identify the game.