PCGame

Afterbeat (Project Arrhythmia)

2D rhythm bullet hell with local co-op and custom levels

Vitamin Games · Published by Kwalee · Released Jun 14, 2019 · Early Access

ActionAdventureIndieStrategy

Reviews
Overwhelmingly Positive
95% of 2,810
Recent reviews
Very Positive
97% of 72 in 30 days
Players
25
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
3 weeks ago
Oct 16, 2026
Minimum PC
GeForce GTX 1050 Ti
8 GB RAM · 5 GB disk
Full requirements

What is Afterbeat (Project Arrhythmia)?

This 2D rhythm-based bullet-hell game has you dodge obstacles across music-timed stages. Its short story demo follows researcher Anna Schroeder's search for a cure in 207X. You can also make and play community levels or play in local co-op with up to four players.

For you if...

  • +you like dodging hazards in music-driven stages
  • +you want to create and play community levels
  • +you want to dodge obstacles with friends locally

Not for you if...

  • −you want a complete, lengthy story campaign
  • −you prefer gentle difficulty over demanding bullet hell

What players say

95% of 2,810 reviews are positive · 97% of 72 in the last 30 days

Players praise the community levels, level editor, and challenging stages. Many object to the recent name change from Project Arrhythmia; others report long loading times or lost saves and say there is too little developer-made content.

Players over time

▼ -47% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 99 players on Oct 9, 2026.

Show the data
DayPlayers
Nov 7, 202625
Nov 6, 202618
Nov 5, 202623
Nov 4, 202614
Nov 3, 202615
Nov 2, 202615
Nov 1, 202625
Oct 31, 202629
Oct 30, 202621
Oct 29, 202611
Oct 28, 202617
Oct 27, 202623
Oct 26, 202620
Oct 25, 202633
Oct 24, 202624
Oct 23, 202615
Oct 22, 202618
Oct 21, 202624
Oct 20, 202628
Oct 19, 202627
Oct 18, 202649
Oct 17, 202651
Oct 16, 202647
Oct 15, 202646
Oct 14, 202643
Oct 13, 202654
Oct 12, 202649
Oct 11, 202677
Oct 10, 202678
Oct 9, 202699
Oct 8, 202621
Oct 7, 202616
Oct 6, 202611
Oct 5, 202613
Oct 4, 202615
Oct 3, 202616
Oct 2, 202622
Oct 1, 202617
Sep 30, 202621
Sep 29, 202615
Sep 28, 202615
Sep 27, 202622
Sep 26, 202617
Sep 25, 202615
Sep 24, 202618
Sep 23, 20267
Sep 23, 202610
Sep 22, 202610

How many players finish Afterbeat (Project Arrhythmia)?

1.4% of Steam players have unlocked «[ We Sink With the Ship ]», the achievement for finishing the main story.

Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.

Screenshots and trailer

Afterbeat (Project Arrhythmia) screenshot 1

Afterbeat (Project Arrhythmia) system requirements

Minimum: GeForce GTX 1050 Ti, 8 GB RAM, 5 GB of disk space.

As published by the developer.

Can my PC run Afterbeat (Project Arrhythmia)?

Tell us your graphics card once and every game page will answer this for you.

Set up my PC →

Minimum

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

Recommended

OS
Windows 10/11 (64-bit)
Processor
Intel Core i5-10400F @ 2.90GHz or AMD Ryzen 5 5600
Graphics
NVIDIA GeForce GTX 1650 or AMD Radeon RX 6500 XT
Memory
16 GB RAM
Storage
5 GB available space
DirectX
Version 11

Does Afterbeat (Project Arrhythmia) have co-op or multiplayer?

Yes: co-op split-screen. It also has a single-player mode. With Remote Play Together, one copy is enough to play the local modes online with friends.

Does Afterbeat (Project Arrhythmia) run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Sometimes shows mouse, keyboard or non-Deck controller icons
  • All functionality is accessible with the default controller configuration
  • In-game text is legible on Steam Deck
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows
Achievements
21
Steam features
Workshop, Cloud saves, Family Sharing
Languages
Text only: English.

Does Afterbeat (Project Arrhythmia) use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam

Tags

Recent updates

1 DLC available.

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