diff --git a/gentoo/portage/package.accept_keywords/package.unmask b/gentoo/portage/package.accept_keywords/package.unmask
index 30cf6274..8324e197 100644
--- a/gentoo/portage/package.accept_keywords/package.unmask
+++ b/gentoo/portage/package.accept_keywords/package.unmask
@@ -17,3 +17,6 @@
 >=app-emulation/wine-staging-10.20 ~amd64
 >=net-vpn/mullvadvpn-app-2025.13 ~amd64
 >=media-video/peek-1.5.1 ~amd64
+>=app-misc/kmon-1.7.1 ~amd64
+>=dev-util/nvidia-cuda-toolkit-12.5.1 ~amd64
+>=sys-kernel/gentoo-sources-6.12.59 ~amd64
diff --git a/gentoo/portage/package.mask/package.mask b/gentoo/portage/package.mask/package.mask
new file mode 100644
index 00000000..108f273d
--- /dev/null
+++ b/gentoo/portage/package.mask/package.mask
@@ -0,0 +1 @@
+sys-kernel/gentoo-sources
diff --git a/gentoo/portage/package.use/package.use b/gentoo/portage/package.use/package.use
index 5ae2ad17..11c77ea5 100644
--- a/gentoo/portage/package.use/package.use
+++ b/gentoo/portage/package.use/package.use
@@ -1108,7 +1108,26 @@ sys-process/htop hwloc
 media-video/ffmpeg lame
 app-containers/podman apparmor
 net-firewall/iptables nftables
+net-firewall/nftables xtables
 gui-wm/sway wallpapers
 # required by gui-wm/sway-1.10.1::gentoo[wallpapers]
 # required by gui-wm/sway (argument)
 >=gui-apps/swaybg-1.2.1 gdk-pixbuf
+# required by games-util/steam-launcher-1.0.0.85-r2::steam-overlay[video_cards_nvidia,vulkan]
+# required by @selected
+# required by @world (argument)
+>=media-libs/vulkan-loader-1.4.328.0-r1 layers
+# required by media-libs/vulkan-layers-1.4.328.0::gentoo
+# required by media-libs/vulkan-loader-1.4.328.0-r1::gentoo[layers]
+# required by games-util/steam-launcher-1.0.0.85-r2::steam-overlay[vulkan]
+# required by @selected
+# required by @world (argument)
+>=dev-util/glslang-1.4.328.0-r1 abi_x86_32
+# required by media-libs/vulkan-layers-1.4.328.0::gentoo
+# required by media-libs/vulkan-loader-1.4.328.0-r1::gentoo[layers]
+# required by games-util/steam-launcher-1.0.0.85-r2::steam-overlay[vulkan]
+# required by @selected
+# required by @world (argument)
+>=dev-util/vulkan-utility-libraries-1.4.328.0 abi_x86_32
+app-text/mupdf opengl
+app-text/mupdf javascript