diff --git a/credits.toml b/credits.toml
index f3da589..91585cc 100644
--- a/credits.toml
+++ b/credits.toml
@@ -131,6 +131,9 @@ name = "congusbongus"
 [[people.credits]]
 credit = "Bones rattle"
 link = "https://opengameart.org/content/bones-rattle"
+[[people.credits]]
+credit = "Footsteps on different surfaces"
+link = "https://opengameart.org/content/footsteps-on-different-surfaces"
 
 [[people]]
 name = "Florian Karsten"
diff --git a/godot/raw_assets/sfx b/godot/raw_assets/sfx
index 90a6be6..aa1a804 160000
--- a/godot/raw_assets/sfx
+++ b/godot/raw_assets/sfx
@@ -1 +1 @@
-Subproject commit 90a6be6e060d2730fbeeed679b4827ad63259439
+Subproject commit aa1a8048ef0175aed34798cc705c28cf48bb70e0
diff --git a/rust/src/map/footstep_box.rs b/rust/src/map/footstep_box.rs
index 366d73f..171e1f5 100644
--- a/rust/src/map/footstep_box.rs
+++ b/rust/src/map/footstep_box.rs
@@ -1,7 +1,4 @@
-use godot::{
-    classes::{IStaticBody3D, StaticBody3D},
-    prelude::*,
-};
+use godot::{classes::StaticBody3D, prelude::*};
 
 use crate::player::effects::FootstepKind;
 
diff --git a/rust/src/player/effects.rs b/rust/src/player/effects.rs
index ab9ada9..9512c38 100644
--- a/rust/src/player/effects.rs
+++ b/rust/src/player/effects.rs
@@ -11,6 +11,14 @@ pub enum FootstepKind {
     #[default]
     Normal,
     Sand,
+    Bone,
+    Grass,
+    Gravel,
+    Metal,
+    Grate,
+    Tile,
+    Water,
+    Wood,
 }
 
 #[derive(GodotClass)]