diff --git a/nongnu/packages/game-client.scm b/nongnu/packages/game-client.scm
index 0cafb13..d9843ee 100644
--- a/nongnu/packages/game-client.scm
+++ b/nongnu/packages/game-client.scm
@@ -288,7 +288,8 @@ all games will be installed.")))
    (union32
     (fhs-union steam-nvidia-container-libs
                #:name "fhs-union-32"
-               #:system "i686-linux"))))
+               #:system "i686-linux"))
+   (preserved-env %nvidia-environment-variable-regexps)))
 
 (define-public steam (nonguix-container->package steam-container))
 (define-public steam-nvidia (nonguix-container->package steam-nvidia-container))
@@ -336,7 +337,8 @@ installed.")))
    (union32
     (fhs-union steam-nvidia-container-libs
                #:name "fhs-union-32"
-               #:system "i686-linux"))))
+               #:system "i686-linux"))
+   (preserved-env %nvidia-environment-variable-regexps)))
 
 (define-public heroic (nonguix-container->package heroic-container))
 (define-public heroic-nvidia (nonguix-container->package heroic-nvidia-container))
diff --git a/nongnu/packages/nvidia.scm b/nongnu/packages/nvidia.scm
index 97039d9..f75d0d4 100644
--- a/nongnu/packages/nvidia.scm
+++ b/nongnu/packages/nvidia.scm
@@ -58,6 +58,21 @@
   #:use-module (ice-9 match)
   #:use-module (srfi srfi-1))
 
+(define-public %nvidia-environment-variable-regexps
+  '("^__GL_"                            ; NVIDIA OpenGL settings.
+    "^__GLX_VENDOR_LIBRARY_NAME$"       ; For GLVND.
+    ;; NVIDIA PRIME Render Offload.
+    "^__NV_PRIME_RENDER_OFFLOAD(_PROVIDER)?$"
+    "^__VK_LAYER_NV_optimus$"
+    ;; NVIDIA NGX.
+    "^__NGX_CONF_FILE$"
+    "^__NV_SIGNED_LOAD_CHECK$"
+    "^PROTON_ENABLE_NGX_UPDATER$"
+    ;; NVIDIA VDPAU settings.
+    "^VDPAU_NVIDIA_"
+    ;; GSYNC control for Vulkan direct-to-display applications.
+    "^VKDirectGSYNC(Compatible)?Allowed$"))
+
 (define nvidia-version "515.76")
 
 (define computed-origin-method