diff --git a/README.md b/README.md
index 87050094..9342dca2 100644
--- a/README.md
+++ b/README.md
@@ -181,7 +181,7 @@ the Wine prefix. Removing the option will revert to the previous behavior.
 |                       | <tt>PROTON_LOG</tt>            | Convenience method for dumping a useful debug log to `$HOME/steam-$APPID.log`. For more thorough logging, use `user_settings.py`. |
 |                       | <tt>PROTON_DUMP_DEBUG_COMMANDS</tt> | When running a game, Proton will write some useful debug scripts for that game into `$PROTON_DEBUG_DIR/proton_$USER/`. |
 |                       | <tt>PROTON_DEBUG_DIR<tt>       | Root directory for the Proton debug scripts, `/tmp` by default. |
-| <tt>wined3d11</tt>    | <tt>PROTON_USE_WINED3D11</tt>  | Use OpenGL-based wined3d instead of Vulkan-based DXVK for d3d11. |
+| <tt>wined3d</tt>      | <tt>PROTON_USE_WINED3D</tt>    | Use OpenGL-based wined3d instead of Vulkan-based DXVK for d3d11 and d3d10. This used to be called `PROTON_USE_WINED3D11`, which is now an alias for this same option. |
 | <tt>nod3d11</tt>      | <tt>PROTON_NO_D3D11</tt>       | Disable <tt>d3d11.dll</tt>, for games which can fall back to and run better with d3d9. |
 | <tt>noesync</tt>      | <tt>PROTON_NO_ESYNC</tt>       | Do not use eventfd-based in-process synchronization primitives. |
 
diff --git a/build/makefile_base.mak b/build/makefile_base.mak
index 6d9a802f..7a01a719 100644
--- a/build/makefile_base.mak
+++ b/build/makefile_base.mak
@@ -871,6 +871,9 @@ dxvk64: $(DXVK_CONFIGURE_FILES64)
 	mkdir -p "$(DST_DIR)/lib64/wine/dxvk"
 	cp "$(DXVK_OBJ64)"/bin/dxgi.dll "$(DST_DIR)"/lib64/wine/dxvk
 	cp "$(DXVK_OBJ64)"/bin/d3d11.dll "$(DST_DIR)"/lib64/wine/dxvk
+	cp "$(DXVK_OBJ64)"/bin/d3d10.dll "$(DST_DIR)"/lib64/wine/dxvk
+	cp "$(DXVK_OBJ64)"/bin/d3d10_1.dll "$(DST_DIR)"/lib64/wine/dxvk
+	cp "$(DXVK_OBJ64)"/bin/d3d10core.dll "$(DST_DIR)"/lib64/wine/dxvk
 	( cd $(SRCDIR) && git submodule status -- dxvk ) > "$(DST_DIR)"/lib64/wine/dxvk/version
 
 
@@ -882,6 +885,9 @@ dxvk32: $(DXVK_CONFIGURE_FILES32)
 	mkdir -p "$(DST_DIR)"/lib/wine/dxvk
 	cp "$(DXVK_OBJ32)"/bin/dxgi.dll "$(DST_DIR)"/lib/wine/dxvk/
 	cp "$(DXVK_OBJ32)"/bin/d3d11.dll "$(DST_DIR)"/lib/wine/dxvk/
+	cp "$(DXVK_OBJ32)"/bin/d3d10.dll "$(DST_DIR)"/lib/wine/dxvk/
+	cp "$(DXVK_OBJ32)"/bin/d3d10_1.dll "$(DST_DIR)"/lib/wine/dxvk/
+	cp "$(DXVK_OBJ32)"/bin/d3d10core.dll "$(DST_DIR)"/lib/wine/dxvk/
 	( cd $(SRCDIR) && git submodule status -- dxvk ) > "$(DST_DIR)"/lib/wine/dxvk/version
 
 endif # NO_DXVK
diff --git a/proton b/proton
index f36a085d..93294658 100755
--- a/proton
+++ b/proton
@@ -188,18 +188,23 @@ if os.path.exists(basedir + "/user_settings.py"):
 
 def check_environment(env_name, config_name):
     if not env_name in env:
-        return
+        return False
     if env[env_name] == "0" or len(env[env_name]) == 0:
         config_opts.discard(config_name)
     else:
         config_opts.add(config_name)
+    return True
 
 if "STEAM_COMPAT_CONFIG" in os.environ:
     config_opts = set(os.environ["STEAM_COMPAT_CONFIG"].split(","))
 else:
     config_opts = set()
 
-check_environment("PROTON_USE_WINED3D11", "wined3d11")
+if "wined3d11" in config_opts:
+    config_opts.add("wined3d")
+
+if not check_environment("PROTON_USE_WINED3D", "wined3d"):
+    check_environment("PROTON_USE_WINED3D11", "wined3d")
 check_environment("PROTON_NO_D3D11", "nod3d11")
 check_environment("PROTON_NO_ESYNC", "noesync")
 
@@ -335,28 +340,29 @@ with prefix_lock:
         except (ValueError, OSError):
             log("Unable to write VR config! " + str(sys.exc_info()[1]))
 
+    dxvkfiles = ("d3d11", "d3d10", "d3d10core", "d3d10_1", "dxgi")
     def make_dxvk_links(dll_dir, link_dir):
-        if os.path.lexists(link_dir + "/d3d11.dll"):
-            os.remove(link_dir + "/d3d11.dll")
-        if os.path.lexists(link_dir + "/dxgi.dll"):
-            os.remove(link_dir + "/dxgi.dll")
-        os.symlink(dll_dir + "/d3d11.dll", link_dir + "/d3d11.dll")
-        os.symlink(dll_dir + "/dxgi.dll", link_dir + "/dxgi.dll")
+        for f in dxvkfiles:
+            dst = link_dir + "/" + f + ".dll"
+            src = dll_dir + "/" + f + ".dll"
+            if os.path.lexists(dst):
+                os.remove(dst)
+            os.symlink(src, dst)
 
-    if "wined3d11" in config_opts:
-        #use gl-based wined3d for d3d11
+    if "wined3d" in config_opts:
+        #use gl-based wined3d for d3d11 and d3d10
         make_dxvk_links(basedir + "/dist/lib64/wine/fakedlls/",
             prefix + "drive_c/windows/system32")
         make_dxvk_links(basedir + "/dist/lib/wine/fakedlls/",
             prefix + "drive_c/windows/syswow64")
     else:
-        #use vulkan-based dxvk for d3d11
+        #use vulkan-based dxvk for d3d11 and d3d10
         make_dxvk_links(basedir + "/dist/lib64/wine/dxvk/",
             prefix + "drive_c/windows/system32")
         make_dxvk_links(basedir + "/dist/lib/wine/dxvk/",
             prefix + "drive_c/windows/syswow64")
-        dlloverrides["dxgi"] = "n"
-        dlloverrides["d3d11"] = "n"
+        for f in dxvkfiles:
+            dlloverrides[f] = "n"
 
 if "nod3d11" in config_opts:
     dlloverrides["d3d11"] = ""
diff --git a/user_settings.sample.py b/user_settings.sample.py
index 084f0c5b..487a7a8d 100755
--- a/user_settings.sample.py
+++ b/user_settings.sample.py
@@ -9,8 +9,8 @@ user_settings = {
     #Enable DXVK's HUD
 #    "DXVK_HUD": "devinfo,fps",
 
-    #Use wined3d for d3d11 instead of dxvk
-#    "PROTON_USE_WINED3D11": "1",
+    #Use gl-based wined3d for d3d11 and d3d10 instead of vulkan-based dxvk
+#    "PROTON_USE_WINED3D": "1",
 
     #Disable d3d11 entirely
 #    "PROTON_NO_D3D11": "1",