Afterbeat (Project Arrhythmia)

Afterbeat (Project Arrhythmia) is developed by Vitamin Games and published by Kwalee, Vitamin Games, released on Oct 8, 2026.

A musical bullet-hell where all things beautiful are deadly. Dodge well little nanobot, you don’t have much time.

Basic Information

Store page feature tags: Single-player, Multi-player, Co-op, Shared/Split Screen Co-op, Shared/Split Screen, Steam Achievements, Full controller support, Steam Workshop, Camera Comfort, #category_contrast_controls, Custom Volume Controls, Gamepad Recommended, DualShock Controller Support, DualShock Controller Support, DualSense Controller Support, DualSense Controller Support, Save Anytime, Steam Cloud, Steam Leaderboards, Includes level editor, Remote Play on TV, Remote Play Together, Family Sharing.

Official Introduction Key Points

1. “Afterbeat” is a musical bullet-hell in which all things beautiful are deadly. A cacophony of lights, music, pulses and blocks, Afterbeat features tight bullet-hell style gameplay where up to 4 players in local co-op must navigate their way through evolving scenes and obstacles, all timed to the beat.
2. Set in 207X, a mysterious disease called “LMNS” has been ravaging the world. A lone Chiral researcher, Anna Schroeder, attempts to find the cure with her trusty supercomputer companion HAL. Stumbling upon various “Projects,” the duo decides to investigate the efficacy of a cure using a pulse/rhythm-based interface.
3. CURRENT FEATURES
4. Complete Story Mode: Over 20+ hand-crafted, heart-pounding levels interwoven with an engaging story with multiple endings.
5. Dodge The Beat: Stages consist of mesmerizing, musically timed scenes, each one telling a story. Feel the rhythm and feel your way around the hazards! Anna will judge how you do.
6. Challenge Your Friends: Up to 4 players supported in local co-op mode.
7. Robust Level Editor: A carefully designed level editor allows users to create their own levels and challenges using whatever music they wish.
8. Huge Community: A Wealth of user-created content exists, fully integrated into the game through the usage of the level editor and user-made levels. Already, 2000+ community levels have been uploaded, and more are being made daily.

Minimum System Requirements (Windows)

- Requires a 64-bit processor and operating system
- OS: Windows 10 (64-bit)
- Processor: Intel Core i5-10400F @ 2.90GHz or AMD Ryzen 5 3600
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 1050 Ti or AMD Radeon RX 560
- DirectX: Version 11
- Storage: 5 GB available space
- Additional Notes: For the level editor computer's of this kind can sometimes suffer

Achievement Highlights

• [ Fatal Exception ]
• [ Nanobot Model ]
• [ Para ]
• [ Hebi ]
• [ Torai ]
• [ Hama ]
• Perfection~
• At least we finished…

Related DLC

Available on the store page: DLC 802980.

Legal Notice

Afterbeat © 2026 Vitamin Games. All rights reserved. Developed by Vitamin Games, and exclusively licensed to Kwalee Ltd. Kwalee is a trademark of Kwalee Ltd. All other trademarks and logos are the property of their respective owners.

Official Screenshots

This page’s gallery section collects all 9 official screenshots of Afterbeat (Project Arrhythmia).

The content above is from publicly available data on the Steam store page. In case of any discrepancies with the store page, the store page shall prevail.