Frequently Asked Questions

What is Xero?

Xero is the definitive way to play S4 League. Running since 2020, chosen by the community, and actively developed.

Is S4 League still playable?

Yes. The official servers are gone but Xero is very much alive, with ongoing development and more content than the original ever had.

How do I start playing?

Create a free account, download the launcher, and hit play. The launcher patches automatically.

Is Xero free to play?

Yes. Every game mode, every map, no restrictions. You earn PEN by playing and can spend it on cosmetics.

Is there pay-to-win?

No. All costumes and weapons are cosmetic only. No damage boosts, no stat advantages.

What are the system requirements?

Windows 10 or later (64-bit), a dual-core processor, 4 GB RAM, any DirectX 11 compatible GPU, and 4 GB of storage.