RS4 Announced: New RuneScape MMO Built on Unreal Engine

Jagex has officially confirmed development of a fourth mainline RuneScape title, marking the franchise’s first new standalone massively multiplayer online role-playing game in over two decades. Tentatively titled RS4, the project is being built using Unreal Engine, signaling a definitive technical departure from the proprietary Java-based architecture that has defined the series since its 2001 debut.

The announcement came during RuneFest, where developers clarified that RS4 will operate as a distinct ecosystem rather than a successor or replacement for Old School RuneScape or modern RuneScape. This strategy mirrors Jagex’s current multi-version approach, which successfully maintains separate player bases with different progression systems and community cultures. By positioning RS4 as an additional entry point to Gielinor, the studio aims to capture audiences seeking high-fidelity 3D exploration without alienating the millions of active users committed to existing titles.

Narratively, the new MMO is set in the Sixth Age, chronologically following the events of RuneScape: Dragonwilds. Players will begin their journey in Ashenfall, a region originally introduced in Jagex’s open-world survival spinoff. The setting represents a significant lore shift, moving beyond the traditional medieval fantasy zones of earlier ages into territory shaped by post-cataclysmic magical fallout. Early footage suggests dragon riding and mounted combat will be core traversal and engagement mechanics, leveraging Unreal Engine’s physics and animation capabilities to deliver interactions impossible within legacy engine constraints.

RS4 was not initially planned as a standalone release. According to reports from Polygon, the project began as Shadows of Ashenfall, an intended expansion for Dragonwilds. During development, however, the scope evolved to resemble a traditional MMO experience more closely aligned with Jagex’s historical strengths. Rather than forcing these systems into a survival framework, the team pivoted to create a dedicated fourth pillar for the franchise. This evolution highlights the studio’s willingness to restructure projects mid-development when gameplay testing reveals a better product-market fit.

No release window has been established, with Jagex describing the undertaking as “hugely ambitious” and confirming launch remains several years away. The extended timeline reflects both the complexity of migrating a 25-year-old IP to modern tooling and the need to build sustainable live-service infrastructure from scratch. Unreal Engine adoption also suggests potential cross-platform scalability, though specific console or mobile plans remain unconfirmed.

To maintain franchise momentum during RS4’s prolonged development cycle, Jagex simultaneously announced an animated series produced by Lyrical Animation in partnership with content creator MoistCr1TiKaL. While still in early pre-production, the series represents a strategic push to expand RuneScape’s cultural footprint beyond interactive media. Further details regarding both the television adaptation and deeper RS4 gameplay revelations are scheduled for disclosure next year.