Confirmed Official source
RS4 is the working title of Jagex's next RuneScape MMORPG: an entirely new game built in Unreal Engine, set in Gielinor and beginning in Ashenfall. It was revealed at RuneFest 2026 and is still a few years away.
- New RuneScape MMO 'RS4' announced — Gematsu
- We're working on a new RuneScape MMO — Jagex
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