The game is lightweight and designed to run on older hardware:

Offers a trial version of Zombie Solitaire 2 before purchasing.

Windows Vista, 7, 8, 10 (Note: Some users report issues on Win 11). Processor: 1.5 GHz Intel Pentium or AMD equivalent. RAM: 512 MB. Storage: 200 MB available space. Graphics: 256 MB VRAM, DirectX 9.0c compatible. 📥 Where to Download

Long chains fill a meter to earn more points and coins.