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Dragon Quest Monsters 2 - Maruta no Fushigi na Kagi - Iru no Bouken (Japan)

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Game Boy Color RPG 2001 Japan 1-2 Players 5 (0) 19

Dragon Quest Monsters 2 - Maruta no Fushigi na Kagi - Iru no Bouken (Japan)

Dragon Quest Monsters 2 - Maruta no Fushigi na Kagi - Iru no Bouken (Japan) on GBC

Compiled by the Retro Games Online Editorial Team · Updated June 26, 2026

Dragon Quest Monsters 2 - Maruta no Fushigi na Kagi - Iru no Bouken is a Japan-exclusive monster taming RPG for the Game Boy Color, released in 2001 by Enix. It's part of the spin-off series from the main Dragon Quest franchise, focusing on capturing, breeding, and battling a wide array of monsters. This version is the red cart variant centered on a character named Iru, while a blue counterpart follows Cobi. The game is fully in Japanese, so it's primarily aimed at players comfortable with the language or willing to navigate menus through trial and error. It builds on the mechanics of the first Dragon Quest Monsters but introduces new systems like keys to unlock different worlds.

How to Play Dragon Quest Monsters 2 - Maruta no Fushigi na Kagi - Iru no Bouken (Japan) Online

Getting started: When you begin, you help Iru leave his island by finding a key through taming monsters. Your core loop is exploring dungeons, recruiting wild monsters by weakening them and offering meat, then breeding them to create stronger offspring. The game uses a turn-based battle system similar to Dragon Quest: you control a party of up to three monsters with AI or direct commands. New keys unlock new areas, each with unique monsters and challenges. Since menus are in Japanese, you might want a translation guide handy for understanding spells, items, and monster names. Focus on building a balanced team and experimenting with breeding to unlock rare forms.

Dragon Quest Monsters 2 - Maruta no Fushigi na Kagi - Iru no Bouken (Japan) Keyboard Controls

Controls

Arrow Keys: D-Pad / Movement
X: A button (jump / confirm)
S: B button (run / attack / cancel)
Enter: Start / Pause
V: Select

Frequently Asked Questions

Is Dragon Quest Monsters 2 - Maruta no Fushigi na Kagi - Iru no Bouken considered easy to pick up or challenging?

The game has a gentle learning curve for monster breeding and combat, but the later dungeons and boss fights demand careful party building and strategy. It's not brutally hard, but grinding for better monster combinations is expected.

Is Dragon Quest Monsters 2 - Maruta no Fushigi na Kagi - Iru no Bouken exclusive to Game Boy Color or did it appear on other systems?

It was released only on the Game Boy Color in Japan. No ports or rereleases exist except for emulation. The red and blue versions are separate cartridges but offer the same core experience with some monster exclusivity.

Does Dragon Quest Monsters 2 - Maruta no Fushigi na Kagi - Iru no Bouken have a multiplayer or co-op mode?

Yes, it supports two-player battling and trading of monsters via a link cable. You can exchange monsters or fight against a friend's team, which was a common feature for the series on Game Boy Color.