OSRS · economy · est. 2026

Kryos

Combat formulas rebuilt from the ground up to match Old School, a launcher that just opens, and an economy nobody is quietly printing into. Free, and staying that way.

Download the client Join the Discord

Windows 10 / 11 · 78 MB · install steps

Play Get the launcher One installer, no Java setup, patches itself on start. Vote Vote for rewards Four sites, twelve hours apart, points land in-game instantly. Store Support the server Cosmetics and convenience. Nothing that swings combat.

What you are actually downloading

Built to behave like the real thing

Combat

Formulas, not guesswork

Max hit and accuracy for melee, ranged and magic were rewritten against the Old School formulas and checked hit by hit. Prayer, void and gear bonuses stack in the right order, once.

Client

RuneLite, with the useful parts

Barrows brothers overlay, a quest tab that tracks what you are actually doing, and a native launcher that will not argue with your Java install.

Economy

Nothing sold that wins fights

The store carries cosmetics and quality of life. Best in slot is dropped, not bought, and the drop tables are published where you can read them.

Staff

Small team, visible work

Every patch gets written up. Bugs get a ticket and a commit you can point at. If something is broken, it says so on the updates page.

Community

Most of it happens in Discord

Drop rates get argued about, clues get posted, and the next update usually leaks in the dev channel before it ships. Come in, say hello.

Join the Discord

Trailer

Coming with the next patch