Genesis/Mega Drive

Wonder Boy III: Monster Lair

Wonder Boy III- Monster Lair is a quite different game to most of the games in the Wonder Boy series. You play a green-haired dude who must attack the invaders that attempt to collect weapons and use them to destroy the land. The game starts out like a simple platform game, but it's just when Wonder Boy enters the skull further on that the game is transformed into a shoot 'em up, so basically the gameplay consists of action and shooter scenes. In the action scenes, your vitality decreases as you make your way towards the skull, but this can be restored by collecting fruit. A wide variety of weapons can be picked up, and not only does these allow you to use the weapons for a limited amount of...

Genre: Action
Year: 1991
Developer: Westone Co., Ltd.
Publisher: SEGA of America, Inc.
Players: 2

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P2P Netplay available on compatible cores

Achievements

29 achievements · 550 total points

Sea Defeat 'Fish' and reach the Jungle in any difficulty
5 pts
Jungle Defeat 'Snake' and reach the Cave in any difficulty
5 pts
Cave Defeat 'Bat' and reach the Plains in any difficulty
5 pts
Plains Defeat 'Bee Queen' and reach the Mountains in any difficulty
10 pts
Mountains Defeat 'Golem' and reach the Desert in any difficulty
10 pts
Desert Defeat 'Cactus' and reach the Town in any difficulty
10 pts
Town Defeat 'Mushroom' and reach the Beach in any difficulty
10 pts
Beach Defeat 'Crab' and reach the Space in any difficulty
10 pts
Space Defeat 'Wizard' and finish the game in any difficulty
25 pts
Powerless: Sea Clear 'Sea' without collecting any power-up
25 pts
Powerless: Jungle Clear 'Jungle' without collecting any power-up
25 pts
Powerless: Cave Clear 'Cave' without collecting any power-up
25 pts
Powerless: Plains Clear 'Plains' without collecting any power-up
25 pts
Powerless: Mountains Clear 'Mountains' without collecting any power-up
25 pts
Powerless: Desert Clear 'Desert' without collecting any power-up
25 pts
Powerless: Town Clear 'Mushroom' without collecting any power-up
25 pts
Powerless: Beach Clear 'Beach' without collecting any power-up
25 pts
Powerless: Space Clear 'Space' without collecting any power-up
50 pts
Beginner Level Finish the game in Beginner difficulty
10 pts
Average Level Finish the game in Average difficulty
25 pts
Expert Level Finish the game in Expert difficulty
50 pts
Continue Finish the game without losing a single continue
25 pts
Invincible Finish the game without losing a single life
50 pts
Novice Score Earn 50,000 points
3 pts
Average Score Earn 100.000 points
5 pts
Expert Score Earn 200.000 points
10 pts
Pro Score Earn 300.000 points
25 pts
Full Life Have maximum health
2 pts
Bonus Round Earn 5.600 bonus points
5 pts

Wonder Boy III: Monster Lair leaderboard

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Wonder Boy III: Monster Lair frequently asked questions

How do I play Wonder Boy III: Monster Lair online with a friend?

Wonder Boy III: Monster Lair (Genesis/Mega Drive) can be played online with friends using Etera's P2P netplay. Create a room in the launcher and invite your friend, who joins through the invite. Step by step:

Download the Etera launcher for Windows or Linux and create your account.
Ask your friend to do the same and add them to your friends list.
Pick the game in the library and create a netplay room.
Invite your friend: they accept the invite and join the room.
The launcher keeps dependencies on the same version for both players, avoiding desync.

How do I play Wonder Boy III: Monster Lair on PC?

Download the Etera launcher (Windows or Linux), find Wonder Boy III: Monster Lair in the Genesis/Mega Drive library and click to download. The launcher handles the emulator and setup for you.

Does Wonder Boy III: Monster Lair netplay lag?

Etera uses a direct P2P connection between players, which usually means low latency. Results depend on each player's internet quality.

Does Wonder Boy III: Monster Lair have achievements?

Yes, Wonder Boy III: Monster Lair has 29 achievements worth 550 points. Achievements are counted and saved to your history and the leaderboard for subscribers and during the trial period.

Can I play Wonder Boy III: Monster Lair for free?

Yes. Every account gets a 5-day trial with premium features. After that, the free plan allows 3 new games per day and 1 netplay session per day. Premium raises those limits.

Play Wonder Boy III: Monster Lair on Etera

Download the launcher for Windows or Linux, find this game in the library and play solo or with friends.