Trivia

 Wonder Boy was released in 1986 for the arcades and it became a massive hit!

One of Hideki Kamiya's key inspirations for some of his games was Wonder Boy: Monster Land.

The opening act of Dragon's Trap inspired Koji Igarashi to do something similar for Castlevania: Symphony of the Night.

Ryuichi Nishizawa stated that he'd like Asha & Pepelogoo to be the representative fighters if they were to appear in Super Smash Bros.

Wonder Boy was referenced as "Wonderful Boy" in Hyperdimension Neptunia VII.

Wonder Boy was almost in a crossover known as "Sega Blast Heroes", but it was canceled and turned into another game.

Wonder Boy Returns (2016) marked the first new entry in the series since 1994, 22 years later.

Monster Boy is the seventh mainline entry of the saga.

Monster Boy started off as a kickstarter and sequel to Flying Hamster.

Masahiro Sakurai, the director of Smash Bros listed Wonder Boy as a legendary series in 2024!

Monster World IV didn't release outside of Japan until 18 years later on Wii Virtual Console, XBox 360 and PlayStation 3.

Yusha is the scrapped male protagonist option from Monster World 4. He was cut due to cartridge space.

Ryuichi Nishizawa was a backer for the Shantae: Half-Genie Hero kickstarter!

Monster World 3 (1991) was the last time a Wonder Boy game released overseas until 2012.

In FX Unit Yuki, a stage inspired by Wonder Boy III: Monster Lair for the Sega Genesis shows up!

Iconoclasts was inspired by Monster World IV and Metroid Fusion!

The developer of Aggelos, a Wonder Boy-inspired game is named "Wonderboy Bobi".

The original name for Monster World 4's remake was Wonder Boy Universe: Asha in Monster World.

Wonder Boy: The Dragon's Trap (2017) added six new areas in the world map called "The Unknown".

Monster Boy's subtitle used to be known as "The Wizard of Booze".

Adventure Island debuted as a reskinned version of Wonder Boy for the NES in 1986.

Wonder Boy in Monster Land is the name of the Sega Master System version of Wonder Boy: Monster Land.

Turma da Mônica is a reskin of Wonder Boy 3: The Dragon's Trap for Brazil.

Dynastic Hero is a reskin of Monster World 3 for the Turbografx CD.

The PC Engine remake of Dragon's Trap was called Dragon's Curse or Adventure Island.

Super Adventure Island on mobile is a remake of Wonder Boy in Monster Land.

Saiyuuki World is a reskin of Wonder Boy in Monster Land for NES.

Asha's name means "hope" in Swahili.

Wonder Boy: Asha in Monster World is the first entry in the series to use 3D graphics and voice acting.

Pepelogoo was inspired by Haro from Mobile Suit Gundam.

Westone had a canceled game named after the company.

Banjo Ollie makes a cameo in Monster Boy as an otter.

Monster World IV and Popful Mail's Sega CD version released on the same day in Japan (April 1st, 1994)!

Monster Tale shares a similar world name to the Wonder Boy series known as "The Monster World".

The song "Endless War" from Dragon's Trap means that "the journey will continue".

Wonder Boy made the front cover in issue #22 of Pix'n Love.

Wonder Boy made the cover in an issue of Retro Gamer!

Monster World 3 had several segments in "Sonic the Comic"!

Monster World 3 and Monster World 4 were going to be unlockable games in Sonic Gems Collection!

Tee Lopes (Sonic Mania), Yuzo Koshiro (Streets of Rage) and Michiru Yamane (Castlevania) composed music for Monster Boy and the Cursed Kingdom!

Wonder Boy Returns is a new game, but Returns Remix is a remake of the original 1986 title!

Ryuichi Nishizawa wasn't the lead director of Monster World 3, Wonder Boy Returns and Monster Boy.

Monster World 4 was originally planned to have three playable protagonists.

Westone's name is a combination of 西 (nishi, west) and 石 (ishi, stone).

Westone was originally known as "Escape" .