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John Madden Duo CD Football / release r6q41gcc / correction

Suggest a correction John Madden Duo CD Football, PC Engine / TurboGrafx-16, US

Corrections are GitHub issues on the public data repository, so each one is in the open with its evidence. This page fills the issue in; on GitHub you say what kind of evidence it is and submit (a GitHub account is needed). How corrections are checked.

1. Which fact is wrong?

FactPublished nowSources
1993-09 3 sources agree
Electronic Arts 1 agrees · 2 differ
Hudson Soft one source · title match
Sports one source · title match
2 one source · title match

Only these facts can be corrected here. Two games wrongly joined, or one game split in two: open an issue on the repository naming both releases.

2. What is the right value?

Pick a fact above.

3. Where is the right value written?

Evidence is required. The strongest is the game itself (a photo or scan of the cartridge label, box, manual or title screen), then the publisher's own record, a ratings board entry, a magazine of the time. Another database or a wiki is weak evidence: they are often where the wrong value came from.