Without pre-installation of any game client or special plugin, addon, extension (Flash, Unity etc.).
The game runs on any modern browser using WebGL and HTML5. Hardware acceleration must be enabled in the browser.
Hardware Requirements:
Processor: minimum 2 cores and 4 threads (4 cores or more recommended)
RAM: at least 4 GB (8 GB or more recommended)
Graphics card with Shader Model 5.0 support
Screen resolution: minimum 1366×768, recommended 1920×1080
PC (minimum): graphics card of at least NVIDIA GeForce GT 730 / AMD Radeon R7 250 or higher
Smartphones: minimum models - Samsung Galaxy A05S, Google Pixel 6a, Xiaomi Redmi 10 / Redmi Note 11
OS:
Truly cross-platform. Any operating system:
Microsoft Windows,
Android,
iOS (iPhone, iPad),
macOS,
Linux (Ubuntu, Kubuntu, Lubuntu, Xubuntu, Debian, Linux Mint, OpenSUSE, Fedora, FreeBSD, CentOS, ...),
...