To play Sudoku Universe / 数独宇宙 you will need a minimum CPU equivalent to an Intel Core 2 Duo E8400. Sudoku Universe / 数独宇宙 system requirements state that you will need at least 4 GB of RAM. The cheapest graphics card you can play it on is an NVIDIA GeForce 510.
Sudoku Universe / 数独宇宙 will run on PC system with Windows 7+ and upwards. Additionally it has Mac and Linux versions.
Minimum System Requirements
RAM
1 GB RAM
OS
Mac OS X 10.9+
Minimum System Requirements
OS
Ubuntu 12.04+
Show Sudoku Universe system requirements on your site