Template:Hammer++ compatibility

Main article: Hammer++

Note:This table is for games (and mods) which aren't explicitly supported by the latest downloads found on the website.

Todo: Make it clearer when games require you to install H++ in a different game's directory (see BMS mod version notes for example).

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See also: Hammer++/Bugs and limitations with unsupported games

Important:In order to use CS:GO Hammer++, you must have the csgo_legacy beta branch installed for Counter-Strike 2. The CS:GO Hammer++ no longer received updates so it's highly recommended that you should switch to Garry's Mod version instead.

Game	Engine branch (game)	Hammer++ Version	Notes
Alien Swarm	Alien Swarm engine branch	Garry's Mod	Need retest with using GMOD version.
Half-Life: Source	Source 2013 Singleplayer	Source 2013 Singleplayer	Configure Hammer for Half-Life: Source, then install to game's bin folder normally.
Half-Life Deathmatch: Source	Source 2013 Multiplayer	Source 2013 Multiplayer
Half-Life 2: Deathmatch	Source 2013 Multiplayer	Source 2013 Multiplayer
Left 4 Dead	Left 4 Dead engine branch	L4D2	L4D2 Hammer++ appears fine on Left 4 Dead, except when compiling the map. Once compiled and joining the map, an error will appear and display: STEAM validation rejected and unable to interact with the menu after pressing ok. Workaround:Before compiling the map, check the box Don't run the game after compiling and then compile the map, after it has been compiled, enter Left 4 Dead and via console, type: map <map name>. Tip:You can enable dev by going to manage < properties and on Launch options, type: -dev 1. Fix:Remove the steam_appid.txt from the hammerplusplus folder.
Left 4 Dead 2		L4D2	Identical to Left 4 Dead, without the Steam rejection, only displaying error on console and unable to interact with the menu when exiting the map. Fix:Remove the steam_appid.txt from the hammerplusplus folder.
Momentum Mod	Strata Source	Garry's Mod	Need retest using GMOD version. [confirm]
Source Filmmaker	Alien Swarm engine branch	Garry's Mod	Need retest using GMOD version.
Team Fortress 2 Classic	Source 2013 Multiplayer	Source 2013 Multiplayer	Setting up Hammer
Black Mesa	Xengine	Source 2013 Multiplayer	Follow this guide to make it working. Check out issues in relevant subpage. A separate version for Black Mesa is not planned.
Black Mesa (mod) (2012 mod version)	Source 2007	Source 2013 Singleplayer	Install to Source SDK Base 2013 - Singleplayer's bin folder and add a game configuration pointing to the mod; the Source 2013 SP compilers generate BSPs that are compatible with Source 2007.
Mapbase	Source 2013 Singleplayer ()	Source 2013 Singleplayer	Install to game's bin folder normally. Check out the issues below in the relevant subpage.
Postal III	Source 2009	Source 2013 Singleplayer	Requires modification to Postal 3's FGD file(s); Recommended to use Postal 3's compilers instead; Some Hammer features from Postal 3's are missing like 'prefabs' (not to be confused with Prefab on Hammer); Requires Source SDK Base 2013 MP/SP to be installed; Requires folder linking inside SDK Base's sourcetest folder to load assets; Hammer++ will crash if placed inside Postal 3's bin folder.
Portal	Source 2013 Singleplayer	Source 2013 Singleplayer	Install to game's bin folder normally.
Portal 2	Portal 2 engine branch	Garry's Mod
Portal 2: Community Edition	Strata Source	Garry's Mod?	Check out the issues on the relevant subpage. Support by developers is not planned, and usage is strongly discouraged; some Hammer++ features will be added to Strata Hammer.
Source SDK Base 2006 Source 2006 games & mods (including Counter-Strike: Source v34, Half-Life 2 Old Engine, etc...)	Source 2006	Source 2013 Singleplayer or Source 2013 Multiplayer	See Installation for Source 2006 games. Don't forget that Source 2006 games will have less textures (including tools textures such as 2D Skybox), differences in LDR + HDR lighting compared to Source 2007 and later (including Hammer++ lighting preview). So remember to run both Source 2006's Hammer and Hammer++ and check see if the same texture exists in Texture Browser on Source 2006's Hammer before adding it to the map.
Hunt Down the Freeman (launch version)	Source 2013 Singleplayer	Source 2013 Singleplayer	Install to game's bin folder normally.[confirm]
Hunt Down the Freeman (latest)	Source 2013 Multiplayer	Source 2013 Multiplayer	Install to game's bin folder normally.[confirm] This build uses Source 2013 Multiplayer to reduce map size.
TeamSpen's Hammer Addons	N/A	Any which supported by TeamSpen's Hammer Addons