diff --git a/README.md b/README.md
index 327f5f2..5785560 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 [Play in browser](https://txmn.tk/projects/lux-synthese/)
 
+In latin, _lux synthesĕ_ means "light by the means of synthesia".
+
 ## Controls
 
 * **Move**: arrows
@@ -14,12 +16,10 @@
 ## TODO
 
 * more filters
-* despawn black characters
-* despawn character when too far
 * more levels
 * (?) multiplayer
 * more audio
-* bug: in level2, move the blue character to win, then reset. The characters are lighter than expected. (also level 4)
+* bug: when reset after win, character colors are wrong
 * redshift warning
 
 ## Build
@@ -54,6 +54,8 @@ Skip to level `N: u32` with the command `bevyjam <N>`.
 
 Edit the level `N: u32` with the command `bevyjam <N> e`.
 
+Editor is not available in the WASM build.
+
 ### Editor controls
 
 * **Select**: left click to select, click in void to deselect, CTRL+click to select many, CTRL+A to select all
diff --git a/src/game.rs b/src/game.rs
index 204858f..3194ff2 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -398,6 +398,8 @@ fn collision_event_system(
 	)>,
 	pass_through_filter_query: Query<&PassThroughFilter>,
 	melty_query: Query<&Melty>,
+	mut character_list: ResMut<CharacterList>,
+	mut change_character_event: EventWriter<ChangeCharacterEvent>,
 ) {
 	for collision_event in collision_events.iter() {
 		if let CollisionEvent::Started(e1, e2, flags) = collision_event {
@@ -416,20 +418,34 @@ fn collision_event_system(
 					}
 				}
 			} else if *flags == CollisionEventFlags::SENSOR {
-				if let (Ok((mut c_color, _c_transform, mut c_material, _c_player)), Ok(filter)) = (
+				if let (Ok((mut c_color, _c_transform, mut c_material, c_player)), Ok(filter)) = (
 					character_query.get_mut(*e1),
 					pass_through_filter_query.get(*e2),
 				) {
 					c_color.0 = filter.apply(c_color.0);
+					if c_color.0.as_hsla_f32()[2] < 0.1 {
+						commands.entity(*e1).despawn_recursive();
+						character_list.0.remove(e1);
+						if c_player.is_some() {
+							change_character_event.send(ChangeCharacterEvent);
+						}
+					}
 					*c_material = materials.add(ColorMaterial::from(c_color.0));
 				} else if let (
-					Ok((mut c_color, _c_transform, mut c_material, _c_player)),
+					Ok((mut c_color, _c_transform, mut c_material, c_player)),
 					Ok(filter),
 				) = (
 					character_query.get_mut(*e2),
 					pass_through_filter_query.get(*e1),
 				) {
 					c_color.0 = filter.apply(c_color.0);
+					if c_color.0.as_hsla_f32()[2] < 0.1 {
+						commands.entity(*e2).despawn_recursive();
+						character_list.0.remove(e2);
+						if c_player.is_some() {
+							change_character_event.send(ChangeCharacterEvent);
+						}
+					}
 					*c_material = materials.add(ColorMaterial::from(c_color.0));
 				}
 			}