Hammer++
Initial release date: 14 March 2021
Engine:
Source

Hammer++ is a community-made modification of the Valve Hammer Editor for Source that provides an updated, more stable, feature-rich version of the editor. The trailer and website can be found here.
Hammer++ currently supports the following branches of the Source engine:
Counter-Strike: Global Offensive (does not work for
CS2, only CS:GO through
csgo_legacy
branch, so it is essentially deprecated for that use. Still usable forand
however, aswell as third-party games running on CS:GO branch.)
Team Fortress 2
Counter-Strike: Source
Source 2013 Multiplayer
Source 2013 Singleplayer
It is also included with Military Conflict: Vietnam, in lieu of vanilla Hammer.
Other games/mods tested
Main article: Hammer++/Docs/Installation for Other Games

csgo_legacy
beta branch installed for 
Game | Hammer++ Version | Notes ![]() ![]() ![]() ![]() |
---|---|---|
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CS:GO | None |
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CS:GO | Unsupported by devs; They will not help if any issues are found
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CS:GO | Some models may appear as errors |
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CS:GO | [confirm] |
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CS:GO | [confirm] |
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Source 2013 Multiplayer | Similar to standard method, but make sure to view this file as well for additional steps |
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Source 2013 Multiplayer | None |
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Source 2013 Multiplayer | New lighting entities may not show in lighting preview; use old entities during light test and swap to final for full compile |
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Source 2013 Singleplayer | Make sure to point towards the Source 2007 compilers! |
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Source 2013 Singleplayer | None |
Features
- Accurate lighting preview
- Upgraded graphic fidelity
- Significantly better stability
- Particle rendering
- 2D + 3D skybox preview
- New model browser, particle browser, color editor, and keybinding editor
- Realtime display of fog and ropes
- Variety of new tools such as physics simulation, gizmo manipulation, drawing of polygon shapes, and convex brush merging
- New
func_instance
tools - Quality of life improvements
- ... and much more!
A more detailed feature list can be found on the website and you can support ficool2 via Ko-fi
Caveats





hammerplusplus.exe
. This can result in less real estate than 
Additional bugs can be found in the official issue tracker, which is no longer maintained.
See Also
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