diff --git a/sericea/.config/sway/config.d/40-window-rules.conf b/sericea/.config/sway/config.d/40-window-rules.conf
index a4458da5..b63231e3 100644
--- a/sericea/.config/sway/config.d/40-window-rules.conf
+++ b/sericea/.config/sway/config.d/40-window-rules.conf
@@ -54,3 +54,7 @@ for_window {
 	[class="nuclear"]			move container to workspace $w10
 }
 
+# These rules are app-specific but for any workspace
+for_window {
+	[class="steam_app_2291060"]		fullscreen
+}