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Goonya Monster

Goonya Monster

GOONYA MONSTER is a party game where you go on a rampage playing as characters designed by Terada Tera. Split into Busters and Monsters to face off against one another! An absolutely absurd battle awaits you!

Released Dec 4, 2022 Developer MUTAN Platforms Windows ActionFunnySpectacle fighter3D PlatformerShooter
View on Steam ↗ $9.19 (US · as of 2026-05-14)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via SteamSpy as of 2026-05-14.

75.6%positive205 reviews
Recommended · 1 found this helpful

“I miss this game :(((( no one plays anymore :((((((((((((((((((((((( cutest designs ever tho I love the character designs so much”

— a player, Steam review · 4 hrs played
Read more reviews ↗

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Apr 27, 2026
【Out Now!】Jump Into the Goonya Monster Spin-Off Casual Games!

The Goonya Monster universe expands today with four brand-new spin-off titles, each starring fan-favorite characters in their own casual gameplay adventures. With simple, intuitive controls, these gam

Apr 20, 2026
Four Goonya Monster spin-off titles launch April 26, 2026!

In addition to existing single-player modes, the full release introduces brand-new 2-player modes. Your favorite character might even be playable with friends and family…? Designed for a wide range of

Oct 10, 2025
Unity Security Vulnerability Update

We have addressed the security vulnerability issue in Unity. https://unity.com/security/sept-2025-01/remediation We look forward to your continued support of "Goonya Monster".

Nov 22, 2024
第2回「グニャリンピック」1/11 (土)開催決定!上位入賞者には豪華賞品をプレゼント

『グーニャモンスター』のオンラインeスポーツ大会「グニャリンピック」の第2回大会を2025年1月11日(土)に開催いたします。本大会へのエントリーは、2024年12月2日(月)まで受付中です。第2回大会は参加賞の用意もあるため、奮ってご応募ください! ◆開催の目的 今年12月に発売から2年を迎える『グーニャモンスター』。盛り上がりを見せた前回大会に引き続き、規模を拡大した第2回公式大会の実施が決定

Jun 28, 2024
「グニャリンピック」8/3(土) 開催決定!上位入賞者には豪華賞品をプレゼント

『グーニャモンスター』のオンラインeスポーツ大会「グニャリンピック」を2024年8月3日(土)に開催いたします。同時に、本大会へのエントリー受付を本日2024年6月28日(金)の12:00(JST)に開始いたしました。 ◆開催の目的 発売から約1年半を迎える『グーニャモンスター』を日頃よりお楽しみいただいているユーザーの皆様の声にお応えして、グーニャモンスターでは初となる公式大会の実施が決定いたし

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-14.

GenresAction, Casual, Indie
Player tagsAction · Funny · Spectacle fighter · 3D Platformer · Shooter · Local Multiplayer · Co-op · Online Co-Op · PvE · PvP · Family Friendly · Cute (SteamSpy community voting)
FeaturesMulti-player · PvP · Online PvP · Shared/Split Screen PvP · Co-op · Online Co-op · Shared/Split Screen Co-op · Shared/Split Screen
LanguagesEnglish * , Japanese * , Simplified Chinese, Traditional Chinese *
ControllerFull support
Achievements45
Estimated owners0 – 20,000 (SteamSpy)
Minimum system requirements (PC)

Minimum: OS: Windows 10 64bit Processor: Intel Core i5 or AMD equivalent Memory: 4 GB RAM Graphics: NVIDIA GTX 660 or AMD Radeon HD 7950 Storage: 2 GB available space