Old School · Revision 241

Forge your legend

Three leagues, four raids, sailing and every boss you remember, on an Old School server with content of its own.

New raidThe Fractured Archive
Echo bossesLeague-only uniques
Relics and masteriesEvery area unlocked
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Four Raids

The Fractured Archive

The Fractured Archive

Karos' own custom raid. Choose your path through the guardians.

Chambers of Xeric

Chambers of Xeric

The classic raid, with a Twisted bow at the end of the road.

Theatre of Blood

Theatre of Blood

Six rooms of Verzik's best. Bring friends.

Tombs of Amascut

Tombs of Amascut

Set your own invocations and raise the stakes.

THREE LEAGUES

Your next league starts here

Pick a league, unlock relics and combat masteries, and push your account further than the main game allows.

  • Relics and masteries, with every area unlocked
  • Echo bosses with league-only uniques
  • Party up and take on content together
Start a league
Relics
Combat Masteries
Echo Bosses

Game Features

Built on OSRS revision 241, with content of our own on top.

PvM & bosses

God Wars, Nex, Yama, Wintertodt, raids and more.

League mode

Three leagues with relics, masteries and Echo bosses.

Sailing

Take a boat out on the open water. Sailing is the newest skill and is being built out now.

Portal nexus

One portal at home reaches every dungeon, boss and skilling spot. Spirit trees cover the rest.

Drop viewer

Look up any monster's drop table in game, or search an item to see everything that drops it.

Every skill

All 24 skills including Sailing, with skilling teleports and boosted rates so you're never stuck grinding alone.

Join the Karos community

Patch notes, events, giveaways and support. Meet other players and the staff team on Discord.

Join Discord