Smilegate has officially opened registrations for the limited playtest of Chaos Zero Nightmare, and at the same time, the studio revealed detailed PC and mobile spec requirements. The test build will be playable on Android, iOS, and PC via Smilegate’s Stove platform.

◤Limited Playtest Sign-Up Begins!◢

⏰Board the SS Nightmare now, Protos!
Limited Playtest sign-up for Chaos Zero Nightmare is now open on the official website!

▶Go to Registration https://t.co/Vjjy89HrUL

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◤Limited Playtest◢
📎Sign-Up Period: 9/2 (Tue) 03:00 (UTC) – 9/12… pic.twitter.com/dFG5DB5scv

— Chaos Zero Nightmare (@CZN_Official_EN) September 2, 2025

Playtest Registration and Schedule

Players in Korea, Japan, Taiwan, the US, and Canada can sign up until Friday, September 12, at 09:00 AM UTC. Moreover, Smilegate will announce the selected participants on September 15, and the test itself will take place between September 18 and 21, 2025. As a result, players will need to register early to secure a chance at joining.

PC System Requirements

For PC, the test requires Windows 10 (64-bit) and around 6GB of free space. Additionally, the developer outlined both minimum and recommended requirements to ensure smoother gameplay across different setups.

Mobile Requirements

Meanwhile, the test build also runs on both Android and iOS, and Smilegate has listed supported devices so players can check compatibility in advance. Furthermore, this ensures that users on a wide range of devices can prepare before the playtest begins.

Full Release Plans

Finally, Smilegate confirmed that Chaos Zero Nightmare will launch as a free-to-play title on Android, iOS, and PC via Stove. On top of that, the game will include full Korean and Japanese voiceovers, while English and Traditional Chinese subtitles will also be supported.

Consequently, more players worldwide will be able to enjoy the experience at launch. Overall, Smilegate is clearly preparing the game for a broad international audience. Interested players can visit the official website for more details and updates on the game.