diff --git a/.github/workflows/mapbase_build-base-dispatch.yml b/.github/workflows/mapbase_build-base-dispatch.yml
index d89d151e..cf7a3baa 100644
--- a/.github/workflows/mapbase_build-base-dispatch.yml
+++ b/.github/workflows/mapbase_build-base-dispatch.yml
@@ -18,14 +18,6 @@ on:
         options:
         - Release
         - Debug
-      branch:
-        description: 'Which Source 2013 engine branch to compile for'
-        default: 'sp'
-        required: true
-        type: choice
-        options:
-        - sp
-        - mp
       game:
         description: 'Name of the game to build (if relevant)'
         default: 'episodic'
@@ -34,6 +26,8 @@ on:
         options:
         - episodic
         - hl2
+        - hl2mp
+        - tf
       project-group:
         description: 'Which group of projects to compile'
         required: true
@@ -63,7 +57,6 @@ jobs:
     uses: ./.github/workflows/mapbase_build-base.yml
     with:
       configuration: '${{ github.event.inputs.configuration }}'
-      branch: '${{ github.event.inputs.branch }}'
       game: '${{ github.event.inputs.game }}'
       project-group: '${{ github.event.inputs.project-group }}'
       solution-name: '${{ github.event.inputs.solution-name }}'
diff --git a/.github/workflows/mapbase_build-base.yml b/.github/workflows/mapbase_build-base.yml
index 45602a72..8e9f9d34 100644
--- a/.github/workflows/mapbase_build-base.yml
+++ b/.github/workflows/mapbase_build-base.yml
@@ -21,11 +21,6 @@ on:
         default: 'Release'
         required: true
         type: string
-      branch:
-        description: 'Which Source 2013 engine branch to compile for'
-        default: 'sp'
-        required: true
-        type: string
       game:
         description: 'The name of the game to build (if relevant)'
         default: 'episodic'
@@ -52,38 +47,34 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.13'
 
     - name: Add MSBuild to PATH
       uses: compnerd/gha-setup-vsdevenv@v6
 
-    - name: Enable VS2022
-      working-directory: '${{inputs.branch}}/src/vpc_scripts'
-      shell: bash
-      run: sed -i 's/^\($Conditional[ 	]\+VS2022[ 	]\+\).*/\1"1"/' newer_vs_toolsets.vpc
-
     - name: Pick game
       if: inputs.project-group == 'game' || inputs.project-group == 'shaders'
-      working-directory: '${{inputs.branch}}/src'
+      working-directory: 'src'
       shell: bash
-      run: sed -i 's/\/hl2 \/episodic/\/${{inputs.game}}/' create${{inputs.project-group}}projects.bat
+      run: sed -i 's/\/hl2mp \/tf/\/${{inputs.game}}/' create${{inputs.project-group}}projects.bat
 
     - name: Create project files
-      working-directory: '${{inputs.branch}}/src'
+      working-directory: 'src'
       shell: cmd
-      # https://github.com/ValveSoftware/source-sdk-2013/issues/72
       run: |
-        reg add "HKLM\SOFTWARE\WOW6432Node\Microsoft\VisualStudio\10.0\Projects\{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}" /v DefaultProjectExtension /t REG_SZ /d vcproj /f
         create${{inputs.project-group}}projects.bat
 
       # --------------------------------------------------------------------
 
     - name: Build
       #if: steps.filter.outputs.game == 'true'
-      working-directory: '${{inputs.branch}}/src'
+      working-directory: 'src'
       shell: cmd
       run: |
         devenv ${{inputs.solution-name}}.sln /upgrade
-        msbuild -m -t:Rebuild -p:Configuration=${{inputs.configuration}};Platform=x86 ${{inputs.solution-name}}.sln
+        msbuild -m -t:Rebuild -p:Configuration=${{inputs.configuration}};Platform=win64 ${{inputs.solution-name}}.sln
 
       # --------------------------------------------------------------------
 
@@ -93,7 +84,7 @@ jobs:
       with:
         name: '${{inputs.project-group}}_${{inputs.game}}_win32_${{ inputs.configuration }}'
         path: |
-          ${{inputs.branch}}/game/mod_${{inputs.game}}/bin/*.dll
+          game/mod_${{inputs.game}}/bin/*.dll
         if-no-files-found: error
 
     - name: Publish map tools
@@ -102,8 +93,8 @@ jobs:
       with:
         name: '${{inputs.project-group}}_win32_${{ inputs.configuration }}'
         path: |
-          ${{inputs.branch}}/game/bin/*.exe
-          ${{inputs.branch}}/game/bin/*.dll
+          game/bin/*.exe
+          game/bin/*.dll
         if-no-files-found: error
 
     - name: Publish everything
@@ -112,8 +103,8 @@ jobs:
       with:
         name: 'everything_win32_${{ inputs.configuration }}'
         path: |
-          ${{inputs.branch}}/game/bin
-          ${{inputs.branch}}/game/mod_*/bin
+          game/bin
+          game/mod_*/bin
         if-no-files-found: error
 
   build_ubuntu:
@@ -124,36 +115,32 @@ jobs:
       config: ${{ inputs.configuration }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
-    - name: Install GCC/G++ multilib
+    - name: Install dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install gcc-multilib g++-multilib
+        sudo apt-get -y install podman python3
 
     - name: Pick game
       if: inputs.project-group == 'game' || inputs.project-group == 'shaders'
-      working-directory: '${{inputs.branch}}/src'
+      working-directory: 'src'
       shell: bash
-      run: sed -i 's/\/hl2 \/episodic/\/${{inputs.game}}/' create${{inputs.project-group}}projects
+      run: sed -i 's/\/hl2mp \/tf/\/${{inputs.game}}/' build${{inputs.project-group}}projects
 
     - name: Set configuration
-      working-directory: '${{inputs.branch}}/src'
+      working-directory: 'src'
       shell: bash
       run: |
         config=${{inputs.configuration}}
         export CFG=${config,,}
         echo "config=${CFG}" >> $GITHUB_ENV
 
-    - name: Create project files
-      working-directory: '${{inputs.branch}}/src'
-      run: ./create${{inputs.project-group}}projects
-
       # --------------------------------------------------------------------
 
     - name: Build
-      working-directory: '${{inputs.branch}}/src'
-      run: make CFG=${{env.config}} -f ${{inputs.solution-name}}.mak
+      working-directory: 'src'
+      run: ./build${{inputs.project-group}}projects ${config,,}
 
       # --------------------------------------------------------------------
 
@@ -163,8 +150,8 @@ jobs:
       with:
         name: '${{inputs.project-group}}_${{inputs.game}}_linux32_${{ inputs.configuration }}'
         path: |
-          ${{inputs.branch}}/game/mod_${{inputs.game}}/bin/*.so
-          !${{inputs.branch}}/game/mod_${{inputs.game}}/bin/*_srv.so
+          game/mod_${{inputs.game}}/bin/*.so
+          !game/mod_${{inputs.game}}/bin/*_srv.so
         if-no-files-found: error
 
     #- name: Publish map tools
@@ -173,11 +160,11 @@ jobs:
     #  with:
     #    name: '${{inputs.project-group}}_linux32_${{ inputs.configuration }}'
     #    path: |
-    #      ${{inputs.branch}}/game/bin/vbsp
-    #      ${{inputs.branch}}/game/bin/vvis
-    #      ${{inputs.branch}}/game/bin/vvis_dll.so
-    #      ${{inputs.branch}}/game/bin/vrad
-    #      ${{inputs.branch}}/game/bin/vrad_dll.so
+    #      game/bin/vbsp
+    #      game/bin/vvis
+    #      game/bin/vvis_dll.so
+    #      game/bin/vrad
+    #      game/bin/vrad_dll.so
     #    if-no-files-found: error
 
     # For now, don't publish the .dbg files even though we publish .pdb files on Windows
@@ -188,8 +175,8 @@ jobs:
       with:
         name: 'everything_linux32_${{ inputs.configuration }}'
         path: |
-          ${{inputs.branch}}/game/bin/*.so
-          !${{inputs.branch}}/game/bin/*_srv.so
-          ${{inputs.branch}}/game/mod_*/bin/*.so
-          !${{inputs.branch}}/game/mod_*/bin/*_srv.so
+          game/bin/*.so
+          !game/bin/*_srv.so
+          game/mod_*/bin/*.so
+          !game/mod_*/bin/*_srv.so
         if-no-files-found: error
diff --git a/.github/workflows/mapbase_build-sp-games.yml b/.github/workflows/mapbase_build-games.yml
similarity index 74%
rename from .github/workflows/mapbase_build-sp-games.yml
rename to .github/workflows/mapbase_build-games.yml
index dc5511ae..3ca30bfd 100644
--- a/.github/workflows/mapbase_build-sp-games.yml
+++ b/.github/workflows/mapbase_build-games.yml
@@ -14,14 +14,14 @@ on:
       - develop
     paths:
       - '.github/workflows/mapbase_build-base.yml'
-      - '.github/workflows/mapbase_build-sp-rel-games.yml'
-      - 'sp/src/vpc_scripts/**'
-      - 'sp/src/game/**'
-      - 'sp/src/mathlib/**'
-      - 'sp/src/responserules/runtime/**'
-      - 'sp/src/tier1/**'
-      - 'sp/src/vgui2/vgui_controls/**'
-      - 'sp/src/vscript/**'
+      - '.github/workflows/mapbase_build-games.yml'
+      - 'src/vpc_scripts/**'
+      - 'src/game/**'
+      - 'src/mathlib/**'
+      - 'src/responserules/runtime/**'
+      - 'src/tier1/**'
+      - 'src/vgui2/vgui_controls/**'
+      - 'src/vscript/**'
 
 jobs:
   games:
@@ -31,7 +31,6 @@ jobs:
     uses: ./.github/workflows/mapbase_build-base.yml
     with:
       configuration: ${{ matrix.configuration }}
-      branch: 'sp'
       game: 'episodic' # Change this if your mod is not using HL2/Episodic game projects
       project-group: 'game'
       solution-name: 'games'
diff --git a/.github/workflows/mapbase_build-sp-maptools.yml b/.github/workflows/mapbase_build-maptools.yml
similarity index 61%
rename from .github/workflows/mapbase_build-sp-maptools.yml
rename to .github/workflows/mapbase_build-maptools.yml
index 0ae631b3..2c620c21 100644
--- a/.github/workflows/mapbase_build-sp-maptools.yml
+++ b/.github/workflows/mapbase_build-maptools.yml
@@ -13,17 +13,17 @@ on:
     branches:
       - develop
     paths:
-      - '.github/workflows/mapbase_build-sp-rel-maptools.yml'
-      - 'sp/src/vpc_scripts/**'
-      - 'sp/src/utils/vbsp/**'
-      - 'sp/src/utils/vvis/**'
-      - 'sp/src/utils/vvis_launcher/**'
-      - 'sp/src/utils/vrad/**'
-      - 'sp/src/utils/vrad_launcher/**'
-      - 'sp/src/mathlib/**'
-      - 'sp/src/tier1/**'
-      - 'sp/src/vgui2/vgui_controls/**'
-      - 'sp/src/vscript/**'
+      - '.github/workflows/mapbase_build-maptools.yml'
+      - 'src/vpc_scripts/**'
+      - 'src/utils/vbsp/**'
+      - 'src/utils/vvis/**'
+      - 'src/utils/vvis_launcher/**'
+      - 'src/utils/vrad/**'
+      - 'src/utils/vrad_launcher/**'
+      - 'src/mathlib/**'
+      - 'src/tier1/**'
+      - 'src/vgui2/vgui_controls/**'
+      - 'src/vscript/**'
 
 jobs:
   maptools:
@@ -33,6 +33,5 @@ jobs:
     uses: ./.github/workflows/mapbase_build-base.yml
     with:
       configuration: ${{ matrix.configuration }}
-      branch: 'sp'
       project-group: 'maptools'
       solution-name: 'maptools'
diff --git a/.github/workflows/mapbase_build-master.yml b/.github/workflows/mapbase_build-master.yml
index 9f70451b..fb1b2bce 100644
--- a/.github/workflows/mapbase_build-master.yml
+++ b/.github/workflows/mapbase_build-master.yml
@@ -25,7 +25,6 @@ jobs:
     uses: ./.github/workflows/mapbase_build-base.yml
     with:
       configuration: ${{ matrix.configuration }}
-      branch: 'sp'
       project-group: 'all'
       solution-name: 'everything'
       build-on-linux: true # Disable this if you don't want to compile for Linux
diff --git a/.github/workflows/mapbase_build-sp-shaders.yml b/.github/workflows/mapbase_build-shaders.yml
similarity index 84%
rename from .github/workflows/mapbase_build-sp-shaders.yml
rename to .github/workflows/mapbase_build-shaders.yml
index 73036e10..30078a71 100644
--- a/.github/workflows/mapbase_build-sp-shaders.yml
+++ b/.github/workflows/mapbase_build-shaders.yml
@@ -13,10 +13,10 @@ on:
     branches:
       - develop
     paths:
-      - '.github/workflows/mapbase_build-sp-rel-shaders.yml'
-      - 'sp/src/vpc_scripts/**'
-      - 'sp/src/materialsystem/**'
-      - 'sp/src/mathlib/**'
+      - '.github/workflows/mapbase_build-shaders.yml'
+      - 'src/vpc_scripts/**'
+      - 'src/materialsystem/**'
+      - 'src/mathlib/**'
 
 jobs:
   shaders:
diff --git a/src/buildallprojects b/src/buildallprojects
index 12c1b83b..20680ec9 100755
--- a/src/buildallprojects
+++ b/src/buildallprojects
@@ -24,7 +24,7 @@ fi
 solution_out="_vpc_/ninja/sdk_everything_$VPC_NINJA_BUILD_MODE"
 
 if [[ ! -e "$solution_out.ninja" ]]; then
-    devtools/bin/vpc /hl2mp /tf /linux64 /ninja /define:SOURCESDK +everything /mksln "$solution_out"
+    devtools/bin/vpc /hl2mp /tf /hl2 /episodic /linux64 /ninja /define:SOURCESDK +everything /mksln "$solution_out"
 
     # Generate compile commands.
     ninja -f "$solution_out.ninja" -t compdb > compile_commands.json
diff --git a/src/buildgameprojects b/src/buildgameprojects
new file mode 100755
index 00000000..c335c41f
--- /dev/null
+++ b/src/buildgameprojects
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+set -euo pipefail
+
+script=$(readlink -f -- "$0")
+pushd "$(dirname -- "$script")" > /dev/null
+
+source sdk_container
+run_in_sniper "$@"
+
+if [ $# -eq 0 ]; then
+    export VPC_NINJA_BUILD_MODE="release"     
+else
+    if [[ "$1" == "debug" ]]; then
+        export VPC_NINJA_BUILD_MODE="debug"
+    elif [[ "$1" == "release" ]]; then
+        export VPC_NINJA_BUILD_MODE="release"
+    else
+        echo "Usage: $0 [debug|release]"
+        exit 1
+    fi
+fi
+
+solution_out="_vpc_/ninja/sdk_everything_$VPC_NINJA_BUILD_MODE"
+
+if [[ ! -e "$solution_out.ninja" ]]; then
+    devtools/bin/vpc /hl2mp /tf /linux64 /ninja /define:SOURCESDK +game /mksln "$solution_out"
+
+    # Generate compile commands.
+    ninja -f "$solution_out.ninja" -t compdb > compile_commands.json
+    # Remove some unsupported clang commands.
+    sed -i 's/-fpredictive-commoning//g; s/-fvar-tracking-assignments//g' compile_commands.json
+    sed -i 's|/my_mod/src|.|g' compile_commands.json
+fi
+
+ninja -f "$solution_out.ninja" -j$(nproc)
+
+popd
diff --git a/src/buildgameprojects_hl2 b/src/buildgameprojects_hl2
new file mode 100755
index 00000000..651ee05f
--- /dev/null
+++ b/src/buildgameprojects_hl2
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+set -euo pipefail
+
+script=$(readlink -f -- "$0")
+pushd "$(dirname -- "$script")" > /dev/null
+
+source sdk_container
+run_in_sniper "$@"
+
+if [ $# -eq 0 ]; then
+    export VPC_NINJA_BUILD_MODE="release"     
+else
+    if [[ "$1" == "debug" ]]; then
+        export VPC_NINJA_BUILD_MODE="debug"
+    elif [[ "$1" == "release" ]]; then
+        export VPC_NINJA_BUILD_MODE="release"
+    else
+        echo "Usage: $0 [debug|release]"
+        exit 1
+    fi
+fi
+
+solution_out="_vpc_/ninja/sdk_everything_$VPC_NINJA_BUILD_MODE"
+
+if [[ ! -e "$solution_out.ninja" ]]; then
+    devtools/bin/vpc /hl2 /episodic /linux64 /ninja /define:SOURCESDK +game /mksln "$solution_out"
+
+    # Generate compile commands.
+    ninja -f "$solution_out.ninja" -t compdb > compile_commands.json
+    # Remove some unsupported clang commands.
+    sed -i 's/-fpredictive-commoning//g; s/-fvar-tracking-assignments//g' compile_commands.json
+    sed -i 's|/my_mod/src|.|g' compile_commands.json
+fi
+
+ninja -f "$solution_out.ninja" -j$(nproc)
+
+popd
diff --git a/src/buildshadersprojects b/src/buildshadersprojects
new file mode 100755
index 00000000..f7a730c3
--- /dev/null
+++ b/src/buildshadersprojects
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+set -euo pipefail
+
+script=$(readlink -f -- "$0")
+pushd "$(dirname -- "$script")" > /dev/null
+
+source sdk_container
+run_in_sniper "$@"
+
+if [ $# -eq 0 ]; then
+    export VPC_NINJA_BUILD_MODE="release"     
+else
+    if [[ "$1" == "debug" ]]; then
+        export VPC_NINJA_BUILD_MODE="debug"
+    elif [[ "$1" == "release" ]]; then
+        export VPC_NINJA_BUILD_MODE="release"
+    else
+        echo "Usage: $0 [debug|release]"
+        exit 1
+    fi
+fi
+
+solution_out="_vpc_/ninja/sdk_everything_$VPC_NINJA_BUILD_MODE"
+
+if [[ ! -e "$solution_out.ninja" ]]; then
+    devtools/bin/vpc /hl2mp /tf /linux64 /ninja /define:SOURCESDK +shaders /mksln "$solution_out"
+
+    # Generate compile commands.
+    ninja -f "$solution_out.ninja" -t compdb > compile_commands.json
+    # Remove some unsupported clang commands.
+    sed -i 's/-fpredictive-commoning//g; s/-fvar-tracking-assignments//g' compile_commands.json
+    sed -i 's|/my_mod/src|.|g' compile_commands.json
+fi
+
+ninja -f "$solution_out.ninja" -j$(nproc)
+
+popd
diff --git a/src/buildshadersprojects_hl2 b/src/buildshadersprojects_hl2
new file mode 100755
index 00000000..e344a975
--- /dev/null
+++ b/src/buildshadersprojects_hl2
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+set -euo pipefail
+
+script=$(readlink -f -- "$0")
+pushd "$(dirname -- "$script")" > /dev/null
+
+source sdk_container
+run_in_sniper "$@"
+
+if [ $# -eq 0 ]; then
+    export VPC_NINJA_BUILD_MODE="release"     
+else
+    if [[ "$1" == "debug" ]]; then
+        export VPC_NINJA_BUILD_MODE="debug"
+    elif [[ "$1" == "release" ]]; then
+        export VPC_NINJA_BUILD_MODE="release"
+    else
+        echo "Usage: $0 [debug|release]"
+        exit 1
+    fi
+fi
+
+solution_out="_vpc_/ninja/sdk_everything_$VPC_NINJA_BUILD_MODE"
+
+if [[ ! -e "$solution_out.ninja" ]]; then
+    devtools/bin/vpc /hl2 /episodic /linux64 /ninja /define:SOURCESDK +shaders /mksln "$solution_out"
+
+    # Generate compile commands.
+    ninja -f "$solution_out.ninja" -t compdb > compile_commands.json
+    # Remove some unsupported clang commands.
+    sed -i 's/-fpredictive-commoning//g; s/-fvar-tracking-assignments//g' compile_commands.json
+    sed -i 's|/my_mod/src|.|g' compile_commands.json
+fi
+
+ninja -f "$solution_out.ninja" -j$(nproc)
+
+popd
diff --git a/src/createallprojects.bat b/src/createallprojects.bat
index ba18f25e..cf6062b8 100755
--- a/src/createallprojects.bat
+++ b/src/createallprojects.bat
@@ -1 +1 @@
-devtools\bin\vpc.exe /hl2mp /tf /define:SOURCESDK +everything /mksln everything.sln
+devtools\bin\vpc.exe /hl2mp /tf /hl2 /episodic /define:SOURCESDK +everything /mksln everything.sln
diff --git a/src/creategameprojects.bat b/src/creategameprojects.bat
new file mode 100644
index 00000000..feee3044
--- /dev/null
+++ b/src/creategameprojects.bat
@@ -0,0 +1,2 @@
+devtools\bin\vpc.exe /hl2mp /tf /define:SOURCESDK +game /mksln games.sln
+pause
diff --git a/src/creategameprojects_hl2.bat b/src/creategameprojects_hl2.bat
new file mode 100644
index 00000000..bf2c91be
--- /dev/null
+++ b/src/creategameprojects_hl2.bat
@@ -0,0 +1,2 @@
+devtools\bin\vpc.exe /hl2 /define:SOURCESDK +game +shaders /mksln games.sln
+pause
diff --git a/src/createmaptoolsprojects b/src/createmaptoolsprojects
deleted file mode 100755
index 9cc950cb..00000000
--- a/src/createmaptoolsprojects
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash
-
-pushd `dirname $0`
-devtools/bin/vpc /hl2 /episodic +maptools /mksln maptools
-popd
diff --git a/src/createshadersprojects b/src/createshadersprojects
deleted file mode 100755
index ff4823e0..00000000
--- a/src/createshadersprojects
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/bash
-
-pushd `dirname $0`
-devtools/bin/vpc /hl2 /episodic +shaders /mksln shaders
-popd
diff --git a/src/createshadersprojects.bat b/src/createshadersprojects.bat
index 43569ae5..3b55e13f 100644
--- a/src/createshadersprojects.bat
+++ b/src/createshadersprojects.bat
@@ -1 +1 @@
-devtools\bin\vpc.exe /hl2 /episodic +shaders /mksln shaders.sln
+devtools\bin\vpc.exe /hl2mp /tf +shaders /mksln shaders.sln
diff --git a/src/createshadersprojects_hl2.bat b/src/createshadersprojects_hl2.bat
new file mode 100644
index 00000000..43569ae5
--- /dev/null
+++ b/src/createshadersprojects_hl2.bat
@@ -0,0 +1 @@
+devtools\bin\vpc.exe /hl2 /episodic +shaders /mksln shaders.sln