Westone Bit Entertainment · Sega*
Wonder Boy

Where and when.
- 1986-04-21
- Date precision
- Exact date
- 1987-03-22
- Date precision
- Exact date
- 1986 · SG-1000 · Japan*
- Release date
- 1986*
- Date precision
- Year only*
- Platform
- SG-1000*
- Market
- Japan*
- 1986 · SG-1000 · Taiwan*
- Release date
- 1986*
- Date precision
- Year only*
- Platform
- SG-1000*
- Market
- Taiwan*
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* Provisional data