Wonder Boy III: Monster Lair Master System
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Price History
| Date | Avg Price | Low | High | Sales |
|---|---|---|---|---|
| 2026-04-05 | £30.99 | £5.98 | £60.99 | 10 |
| 2026-04-04 | £28.06 | £5.98 | £55.00 | 10 |
| 2026-04-03 | £28.06 | £5.98 | £55.00 | 10 |
| 2026-04-02 | £31.66 | £5.98 | £60.99 | 10 |
| 2026-04-01 | £31.66 | £5.98 | £60.99 | 10 |
| 2026-03-31 | £31.66 | £5.98 | £60.99 | 10 |
| 2026-03-30 | £30.06 | £5.98 | £60.99 | 10 |
| 2026-03-29 | £32.80 | £12.93 | £60.99 | 10 |
| 2026-03-28 | £32.86 | £12.93 | £60.99 | 10 |
| 2026-03-27 | £31.85 | £12.93 | £60.99 | 10 |
| 2026-03-26 | £34.45 | £12.93 | £60.99 | 10 |
| 2026-03-25 | £31.85 | £12.93 | £60.99 | 10 |
Screenshots
Game History
Wonder Boy III: Monster Lair was developed and published by Westone (also known as Westone Bit Entertainment) for the Sega Master System. The game was created as part of the Wonder Boy franchise, which had already established itself as a popular platformer series in the mid-1980s.
Monster Lair was originally released in Japan in 1988, followed by releases in North America and Europe in 1989. The game represented an evolution of the Wonder Boy formula, introducing new gameplay mechanics and a more action-oriented structure compared to its predecessors.
At launch, Wonder Boy III: Monster Lair received generally positive reviews from gaming publications, with critics praising its colorful graphics, responsive controls, and challenging gameplay. The game found moderate commercial success on the Master System, though it remained somewhat overshadowed by other platformers of the era. It became a respectable entry in the Wonder Boy series but did not achieve the level of mainstream recognition that some other platform games enjoyed during this period.
Today, Monster Lair holds significance among video game collectors, particularly those focused on the Master System library. The game is considered a solid example of 8-bit platforming and maintains a loyal following among retro gaming enthusiasts. Original cartridges in good condition command reasonable prices in the collector's market, though the game was not exceptionally rare during its commercial run.
Interestingly, Wonder Boy III: Monster Lair was also released in an arcade version by Sega, which featured modified graphics and gameplay designed for arcade cabinet play. This arcade adaptation helped expand the game's reach beyond home console audiences and contributed to the franchise's overall visibility during the late 1980s.
The game remains historically important as part of the Master System's diverse platformer library and represents Westone's continued efforts to innovate within the Wonder Boy franchise during a creatively productive period for the company.