Wonder Boy in Monster World cover art

Wonder Boy in Monster World Master System

Average Sale Price £34.06 ▲ 2.5% this month
Price Range £5.98 – £60.99
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Price History

Date Avg Price Low High Sales
2026-04-05 £34.06 £5.98 £60.99 10
2026-04-04 £33.23 £5.98 £60.99 10
2026-04-03 £33.74 £5.98 £60.99 10
2026-04-02 £33.65 £5.98 £60.99 10
2026-04-01 £33.23 £5.98 £60.99 10
2026-03-31 £33.65 £5.98 £60.99 10
2026-03-30 £33.12 £5.98 £60.99 10
2026-03-29 £38.53 £14.56 £60.99 10
2026-03-28 £39.26 £14.56 £60.99 10
2026-03-27 £37.48 £14.56 £60.99 10
2026-03-26 £37.48 £14.56 £60.99 10
2026-03-25 £37.48 £14.56 £60.99 10

Game Info

Developer
Sega
Publisher
Sega
Platform
Master System
Release Year
1991

Game History

Wonder Boy in Monster World was developed and published by Westone Bit Entertainment for the Sega Master System. The game was designed as part of the long-running Wonder Boy franchise, which had established itself across multiple platforms throughout the 1980s. The development team built upon the series' legacy of action-adventure gameplay while introducing new mechanics and a more cohesive narrative structure.

The game was released in Japan on September 1, 1988, followed by releases in Europe and other regions later that year. It arrived during a period when the Master System was actively competing with the Nintendo Entertainment System, particularly in European markets where Sega found stronger support.

Wonder Boy in Monster World received favorable reviews from gaming magazines at the time, with critics praising its engaging gameplay, charming pixel art, and the variety of equipment and magic spells available to the player. The game performed respectably on the Master System, though it was not a blockbuster commercial success in most regions. The title contributed to the Master System's library of quality action games but remained somewhat overshadowed by more prominent releases.

Today, the game holds significant value among retro collectors and gaming enthusiasts. The Master System version has become increasingly sought-after due to the relative scarcity of cartridges, particularly in good condition with original packaging. The game's reputation has grown over decades as collectors and retro gaming communities have revisited the Master System's catalog, recognizing Wonder Boy in Monster World as a quality example of 8-bit action-adventure design.

An interesting aspect of the game's legacy is that it received a spiritual successor with Wonder Boy III: The Dragon's Trap, which appeared on multiple platforms and became more widely recognized internationally. The Monster World entry itself remains primarily known within Master System collector circles, contributing to its mystique and collectibility in the modern retro gaming market.