diff --git a/assets/prelude.ld b/assets/prelude.ld
index 6cc6c7b..db20b9b 100644
--- a/assets/prelude.ld
+++ b/assets/prelude.ld
@@ -1672,6 +1672,7 @@ fn key_down? {
 	rotate
 	round
 	rt!
+	savestate
 	second
 	self
 	send!
diff --git a/pkg/rudus_bg.wasm b/pkg/rudus_bg.wasm
index 9abdfca..fe3fac2 100644
--- a/pkg/rudus_bg.wasm
+++ b/pkg/rudus_bg.wasm
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:cd149f9ba3222d109f87dfdcf00494d0510bb3eaf818207f3862fd06c9e5bb49
-size 16787458
+oid sha256:ddc6b60cf6b069f6ec120f172b6a219d93f7f216c5ec8700e6429639ee80c41d
+size 16787474