Oswald D-Sides Music Battle

music battle fan-made story mode

Developer: Yellow Sun Studios

Published: 2024-10-21

Updated: 2026-07-05

Runs in your browser — no download.

Reviews

Oswald D-Sides Music Battle offers a satisfying rhythm experience with three distinct songs that each have their own mood. The Story mode adds a narrative layer, while Free mode is perfect for practice. Controls are responsive, and the game is easy to pick up. It is a safe, family-friendly choice for anyone who enjoys music games.

Description

Game Introduction

Oswald D-Sides Music Battle is a fan-made rhythm game inspired by the Friday Night Funkin series. In this online game, players take on the role of Boyfriend as he faces off against Oswald in a musical challenge. The game features three unique D-sides songs: Despair, Despondency, and Untold Loneliness, each with its own mood and difficulty. Players can choose between Story mode, which follows a narrative, or Free mode for quick practice. The goal is to hit the correct arrow keys as they appear on screen to keep your health bar full and reach the end of each song. This game is safe for all ages, with no violent or inappropriate content, making it a great choice for family-friendly fun.

How to Play

To play, use your keyboard arrow keys. When floating arrow symbols appear above Boyfriend, press the matching arrow key in time with the music. Each correct hit keeps your health bar steady, while missing multiple notes in a row will deplete it, causing you to lose the song. The game tracks your progress through each track, and you must complete all songs to win. In Story mode, you follow a sequence of songs, while Free mode lets you pick any track to practice. The key is to stay focused on the rhythm and react quickly to the on-screen prompts. No special equipment is needed, just a keyboard and a love for music games.

Game Features

Features include rhythm-based gameplay that tests your timing and coordination. Three D-sides songs offer varied musical experiences. Story mode provides a narrative progression, while Free mode allows for targeted practice. Simple keyboard controls make the game accessible to everyone. The game is playable online with no downloads required.

Tips for Success

Practice regularly to improve your timing and reaction speed. Start with Free mode to get comfortable with each song before attempting Story mode. Focus on the rhythm of the music rather than just the visual prompts, as this helps with consistency. Take breaks if you find yourself missing notes frequently, as fatigue can affect performance.

Compatibility

💻 Desktop | 📱 Mobile | 📟 Tablet

– All supported · Best with Chrome or Safari

FAQ

Can I play Oswald D-Sides Music Battle on mobile devices?

The game is designed for keyboard controls, so it works best on computers. Some mobile browsers may support external keyboards, but the game is not optimized for touchscreens.

Is there a way to save my progress in the game?

The game may save your progress automatically in your browser using cookies or local storage. However, clearing your browser data could reset your progress.

Are there any other characters besides Boyfriend and Oswald?

The main focus is on the musical duel between Boyfriend and Oswald. Other characters from the Friday Night Funkin universe may appear in the background or story, but they are not playable.

What happens if I complete all three songs in Story mode?

Completing all three songs in Story mode typically leads to a victory screen and may unlock additional content or a special ending, depending on the game version.

Can I play the game offline?

The game is an online experience that requires an internet connection to load. Once loaded, some browsers may allow you to play offline for a short time, but it is not guaranteed.

Is there a leaderboard or score system in Oswald D-Sides Music Battle?

The game tracks your performance on each song, but it may not include a global leaderboard. Your score is based on accuracy and timing during the song.