Planning space for Duet Night Abyss is straightforward: the initial downloads are modest, but the game asks for generous headroom on each platform to accommodate decompression and future updates. Here’s what to expect at launch and how to prepare.

Download size and storage to reserve (launch)

Platform Initial download Free space to reserve
PC (Windows) ~15 GB ≥ 40 GB (32 GB minimum)
Android ~11 GB ≥ 20 GB
iOS ~11 GB ≥ 20 GB

In real-world installs at launch, PC footprints can land around the mid‑teens in gigabytes. Space needs will grow as content updates roll out, so the higher reserve targets are intentional.

PC download size and storage (Windows)

The PC pre‑download package is roughly 15 GB at launch, with the installed footprint starting in the teens and expanding over time as patches arrive. Reserve at least 40 GB of free space to avoid decompression errors and to leave room for updates; 32 GB is the baseline minimum listed for installation.

You can install on Windows via the official launcher from the Duet Night Abyss website: duetnightabyss.dna-panstudio.com.

Duet Night Abyss Official Site
Duet Night Abyss GLOBAL LAUNCH. All characters and weapons are free to unlock. Beyond The Limits!

Note: You may see larger figures for the “download size” on some pages (for example 20 GB). These reflect conservative packaging and can change as distribution builds are refreshed. Treat them as upper bounds and keep the 32–40 GB installation guidance in mind.

Android download size and storage

The Android pre‑download is about 11 GB. Keep 20 GB or more free to provide headroom for the initial install, shader caches, and early updates.

Install from the Google Play listing: Duet Night Abyss on Google Play.

Duet Night Abyss - Apps on Google Play
A Thrilling Hybrid Action RPG, featuring a Dual Narrative
Apps on Google PlayHong Kong Spiral Rising Technology Co., Limited

iOS download size and storage

The iOS pre‑download is about 11 GB. As on Android, maintain at least 20 GB of free space to ensure a smooth first‑run install and room for updates.

Install from the App Store listing: Duet Night Abyss on the App Store.

‎Duet Night Abyss
‎Duet Night Abyss is a fantasy adventure RPG with a high degree of freedom developed by Hero Games’ Pan Studio. The game features “Multiple Weapon Loadouts x 3D Combat” at its core, and tells the story of “Demons” from dual perspectives. [All Characters & Weapons Free to Unlock — Craft your own lin…
App StoreHong Kong Spiral Rising Technology Co., Limited

Pre‑download timing and where to install

  • Pre‑download is live on mobile and via the official PC launcher, so you can fully install ahead of servers opening.
  • On PC, you can also play via Steam or Epic Games after launch; pre‑load availability can differ by storefront.

Bottom line: expect a ~15 GB initial download on PC and ~11 GB on mobile at launch, but set aside 40 GB on Windows and 20 GB on Android/iOS to stay ahead of updates. If you pre‑download now, you’ll be ready to log in the minute servers go live.