Atari 2600, part of GameDB.
Atari2600.data.json: All data, structured in the JSON formatAtari2600.data.tsv: All data, structured in the TSV formatAtari2600.release_dates.pdf: Histogram of release dates, stratified by regionAtari2600.titles.json: Mapping of serial numbers to game titles, structured in the JSON format
For now, I am just using the CRC32 hash of each game to uniquely identify it. In the future, more sophisticated approaches can be discovered.