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[clever@amd-nixos:~]$ nix-shell -p steam -I nixpkgs=~/apps/nixpkgs/
[nix-shell:~]$ cd yy
[nix-shell:~/yy]$ type steam
steam is /nix/store/amxv5nslnv3dl52dqdr0iy1yckwwwvh3-steam/bin/steam

[nix-shell:~/yy]$ cat /nix/store/amxv5nslnv3dl52dqdr0iy1yckwwwvh3-steam/bin/steam
#! /nix/store/d44582rghk696yw704sh5nbvbpnm69iv-bash-4.3-p42/bin/bash

exec /nix/store/p70qk3qx121q64q8k9376f54vpdn52k5-chroot-user /nix/store/i30h1jv4x96hs9r1yhk7cdnqwyajd9mk-steam-init "$(pwd)" "$@"

[nix-shell:~/yy]$ cp /nix/store/i30h1jv4x96hs9r1yhk7cdnqwyajd9mk-steam-init steam-init-shell

[nix-shell:~/yy]$ vi steam-init-shell
(change it to exec a shell)
[nix-shell:~/yy]$ /nix/store/p70qk3qx121q64q8k9376f54vpdn52k5-chroot-user /home/clever/yy/steam-init-shell /home/clever/yy/
steam-chrootenv:clever@amd-nixos:~/yy$ cd ~/.local/share/Steam/
export LD_LIBRARY_PATH=/run/opengl-driver/lib:/run/opengl-driver-32/lib:/home/clever/.local/share/Steam/ubuntu12_32/:/steamrt/i386/lib/:/usr/lib32/steam-runtime/lib:/usr/lib32/:/usr/lib32/steam-runtime/lib/i386-linux-gnu:/usr/lib64/:/usr/lib64/steam-runtime/usr/lib/x86_64-linux-gnu/
steam-chrootenv:clever@amd-nixos:~/.local/share/Steam$ ./ubuntu12_32/steam

diff --git a/pkgs/games/steam/chrootenv.nix b/pkgs/games/steam/chrootenv.nix
index 9a76645..01e91a8 100644
--- a/pkgs/games/steam/chrootenv.nix
+++ b/pkgs/games/steam/chrootenv.nix
@@ -46,6 +46,35 @@ in buildFHSUserEnv rec {
     xlibs.libXext
     xlibs.libX11
     xlibs.libXfixes
+    # additions
+    glib
+    gtk
+    pulseaudioLight
+    gdk_pixbuf
+    curl
+    openal
+    fontconfig
+    xorg.libXinerama
+    xorg.libSM
+    xorg.libICE
+    freetype
+    pango
+    cairo
+    nss
+    nspr
+    xorg.libXi
+    xorg.libXcursor
+    xorg.libXrender
+    xorg.libXdamage
+    atk
+    dbus
+    expat
+    cups
+    xorg.libXScrnSaver
+    gnome3.gconf
+    libusb1
+    networkmanager
+    dbus_glib
 
     # Not formally in runtime but needed by some games
     gst_all_1.gstreamer