TF2 Modders Rejoice: Valve Releases Full Client and Server Code

Valve unleashes a monumental Source SDK update, granting full access to Team Fortress 2's client and server code. This unprecedented move empowers modders to create entirely new games based on TF2's foundation, offering far greater flexibility than previous Steam Workshop or local modding options. Modders can modify, expand, and even completely overhaul Team Fortress 2 in ways previously unimaginable.

While commercialization is prohibited – all creations must remain free and non-commercial – these new games can be published on the Steam Store, appearing as distinct entries within Steam's game library.

Valve's rationale, as stated in a blog post, centers on respecting the significant community investment in TF2 inventories and Steam Workshop contributions. The company urges mod creators to uphold this spirit of collaboration, refraining from monetizing efforts built upon the work of others. Ideally, many mods will maintain compatibility with players' existing TF2 inventories.

This expansive update also extends to Valve's entire back-catalog of multiplayer Source engine titles. A significant upgrade introduces 64-bit binary support, scalable HUD/UI, prediction fixes, and numerous other improvements across Team Fortress 2, DoD:S, HL2:DM, CS:S, and HLDM:S.

This news arrives following the December release of the seventh and final chapter in the long-running Team Fortress 2 comic series, a seven-year endeavor that served as a testament to Valve's ongoing commitment to this venerable franchise and a rich source of lore for dedicated fans.