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Valve releases 'Team Fortress 2 SDK,' enabling creators to 'build completely new games based on TF2'
It took almost 20 years, but Team Fortress 2, the team-based FPS that changed a great many lives when it debuted in 2007, now has an SDK that Valve says will enable creators "to build completely new games based on TF2."..
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Team Fortress 2 major update released and source available for modders via the Source SDK
It wasn't just Counter-Strike: Source and Day of Defeat: Source that received big updates today, as Valve also published a new update for Team Fortress 2 along with updating the Source SDK to include TF2!
Read the full article here: https://www.gamingonlinux.com/2025/02/team-fortress-2-major-update-released-and-source-available-for-modders-via-the-source-sdk/
The TF2 SDK has arrived!
The TF2 SDK has arrived!
Mod makers, rejoice! We've just released a massive update to the Source SDK, adding all the Team Fortress 2 client and server game code. This update will allow content creators to build completely new games based on TF2. We're also doing a big update to all our multiplayer back-catalogue Source engine titles (TF2, DoD:S, HL2:DM, CS:S, and HLDM:S), adding 64-bit binary support, a scalable HUD/UI, prediction fixes, and a lot of other improvements!
Unlike the Steam Workshop or local content mods, this SDK gives mod makers the ability to change, extend or rewrite TF2, making anything from small tweaks to complete conversions possible.
The SDK is licensed to users on a non-commercial basis, meaning that any mod created using the SDK must be free, and any content in those mods must be free. TF2 mods may be published on the Steam Store, and after publication will appear as new games in the Steam game list.
Players have a lot of investment in their TF2 inventories, and Steam Workshop contributors have created of a lot of that content. The majority of items in the game now are thanks to the hard work of the TF2 community. To respect that, we're asking TF2 mod makers continue to respect that connection, and to not make mods that have the purpose of trying to profit off Workshop contributors' efforts. We're hoping that many mods will continue to allow players access their TF2 inventory, if this makes sense for the mod.
Questions? See the Steamworks Source Engine mods FAQ.
Important Links:
- Source SDK 2013 on GitHub
- TF2 Update Notes
- DoD:S Update Notes
- CS:S Update Notes
- HL2:DM Update Notes
- HLDM:Source Update Notes