Cosmo Calamity Rhythm Game

Music Family-friendly

Developer: Venus Veil Interactive

Published: 2024-08-17

Updated: 2026-06-12

Runs in your browser — no download.

Reviews

FNF: Cosmo Calamity vs Yukichi offers three original songs with distinct beats that test your timing. The pink alien design is charming and the controls are responsive. Each song has a different difficulty, providing good replay value as you try to improve your score. It is a clean, family-friendly rhythm game that fits well into short gaming sessions.

Description

Game Introduction

FNF: Cosmo Calamity vs Yukichi is a rhythm game mod for Friday Night Funkin' that introduces a new alien character named Yukichi. In this musical showdown, players guide Boyfriend through a series of dance battles against Yukichi, a pink-themed extraterrestrial with a love for rhythm. The game features three original songs: Bad-Gateway, Not Found, and Service Unavailable, each with its own unique tempo and pattern. Developed by a team including programmer isophoro, artist pierogii, and musician birdbonanza, this mod offers a fresh experience for fans of rhythm games. The vibrant pink visuals and catchy tunes create a lighthearted atmosphere suitable for players of all ages.

How to Play

To play, use the arrow keys on your keyboard to match the rhythm of the songs. As notes scroll across the screen, press the corresponding arrow keys in time with the music to hit the correct notes. Each song has its own distinct rhythm and pattern, so listening carefully to the beat is essential. The goal is to outperform Yukichi by achieving a high score and completing all three songs without missing too many notes. Practice helps improve timing and accuracy, making each playthrough more enjoyable.

Game Features

Three original songs with distinct rhythms and patterns. A cute alien character design with pink visuals and antennae. Family-friendly gameplay suitable for all ages. Simple keyboard controls using arrow keys. Short session length, ideal for quick breaks or casual play. The mod offers a fresh take on the rhythm game genre with its unique character and music.

Tips for Success

Focus on listening to the music to anticipate note patterns. Practice each song individually to learn its unique rhythm. Start with easier difficulty settings if available to build confidence. Keep your eyes on the note track to avoid missing cues. Take short breaks between sessions to maintain concentration. Consistency in practice will help improve your score over time.

Compatibility

💻 Desktop | 📱 Mobile | 📟 Tablet

– All supported · Best with Chrome or Safari

FAQ

Is this game free to play?

Yes, FNF mods are typically free to download and play. This mod is likely available on platforms like GameBanana or itch.io, where you can access it without any cost.

Can I play this mod on mobile devices?

The original Friday Night Funkin' is primarily designed for PC, so this mod may not be directly compatible with mobile devices. However, some unofficial ports or web versions might exist, but they are not guaranteed.

Do I need to install the original FNF game first?

Yes, most FNF mods require the original Friday Night Funkin' game to be installed. You typically download the mod files and place them in the game's directory to play.

Are there any difficulty levels in this mod?

While the input does not specify difficulty levels, many FNF mods include multiple difficulty settings such as Easy, Normal, and Hard. This mod may offer similar options to accommodate different skill levels.

How long does it take to complete all three songs?

Each song in the mod is relatively short, typical of rhythm games. Completing all three songs may take around 10 to 15 minutes, making it a quick and enjoyable experience.

Can I play this mod with a controller?

FNF mods generally support keyboard controls, but controller support may vary. Some players use third-party software to map keyboard inputs to a controller, but native support is not guaranteed.