diff --git a/annotations/src/main/java/mindustry/annotations/impl/AssetsProcess.java b/annotations/src/main/java/mindustry/annotations/impl/AssetsProcess.java
index 497a622749..94df1e5a9c 100644
--- a/annotations/src/main/java/mindustry/annotations/impl/AssetsProcess.java
+++ b/annotations/src/main/java/mindustry/annotations/impl/AssetsProcess.java
@@ -123,8 +123,7 @@ public class AssetsProcess extends BaseProcessor{
             if(SourceVersion.isKeyword(name)) name += "s";           
 
             String filepath = path.substring(path.lastIndexOf("/") + 1) + "/" + fname;
-
-            String filename = "arc.Core.app.getType() != arc.Application.ApplicationType.iOS ? \"" + filepath + "\" : \"" + filepath.replace(".ogg", ".mp3") + "\"";
+            String filename = "\"" + filepath + "\"";
 
             loadBegin.addStatement("arc.Core.assets.load(" + filename + ", " + rtype + ".class).loaded = a -> " + name + " = (" + rtype + ")a", filepath, filepath.replace(".ogg", ".mp3"));
 
diff --git a/core/assets/bundles/bundle.properties b/core/assets/bundles/bundle.properties
index 5b4e4b9459..fe245bfbae 100644
--- a/core/assets/bundles/bundle.properties
+++ b/core/assets/bundles/bundle.properties
@@ -507,7 +507,7 @@ zone.objective = [lightgray]Objective: [accent]{0}
 zone.objective.survival = Survive
 zone.objective.attack = Destroy Enemy Core
 add = Add...
-boss.health = Boss Health
+boss.health = Guardian Health
 
 connectfail = [scarlet]Connection error:\n\n[accent]{0}
 error.unreachable = Server unreachable.\nIs the address spelled correctly?
diff --git a/core/assets/music/boss1.mp3 b/core/assets/music/boss1.mp3
new file mode 100644
index 0000000000..4a54f750c9
Binary files /dev/null and b/core/assets/music/boss1.mp3 differ
diff --git a/core/assets/music/boss2.mp3 b/core/assets/music/boss2.mp3
new file mode 100644
index 0000000000..cd9eaf1b25
Binary files /dev/null and b/core/assets/music/boss2.mp3 differ
diff --git a/core/assets/music/editor.mp3 b/core/assets/music/editor.mp3
new file mode 100644
index 0000000000..0b3a8e6182
Binary files /dev/null and b/core/assets/music/editor.mp3 differ
diff --git a/core/assets/music/editor.ogg b/core/assets/music/editor.ogg
deleted file mode 100644
index 61348f1b75..0000000000
Binary files a/core/assets/music/editor.ogg and /dev/null differ
diff --git a/core/assets/music/game1.mp3 b/core/assets/music/game1.mp3
new file mode 100644
index 0000000000..bfb9b3d468
Binary files /dev/null and b/core/assets/music/game1.mp3 differ
diff --git a/core/assets/music/game1.ogg b/core/assets/music/game1.ogg
deleted file mode 100644
index d69bb0e931..0000000000
Binary files a/core/assets/music/game1.ogg and /dev/null differ
diff --git a/core/assets/music/game2.mp3 b/core/assets/music/game2.mp3
new file mode 100644
index 0000000000..baeddf2914
Binary files /dev/null and b/core/assets/music/game2.mp3 differ
diff --git a/core/assets/music/game2.ogg b/core/assets/music/game2.ogg
deleted file mode 100644
index 9cf7898026..0000000000
Binary files a/core/assets/music/game2.ogg and /dev/null differ
diff --git a/core/assets/music/game3.mp3 b/core/assets/music/game3.mp3
new file mode 100644
index 0000000000..e7f8e34f75
Binary files /dev/null and b/core/assets/music/game3.mp3 differ
diff --git a/core/assets/music/game3.ogg b/core/assets/music/game3.ogg
deleted file mode 100644
index 657848a0da..0000000000
Binary files a/core/assets/music/game3.ogg and /dev/null differ
diff --git a/core/assets/music/game4.mp3 b/core/assets/music/game4.mp3
new file mode 100644
index 0000000000..c21cf226f0
Binary files /dev/null and b/core/assets/music/game4.mp3 differ
diff --git a/core/assets/music/game4.ogg b/core/assets/music/game4.ogg
deleted file mode 100644
index 051c414540..0000000000
Binary files a/core/assets/music/game4.ogg and /dev/null differ
diff --git a/core/assets/music/game5.mp3 b/core/assets/music/game5.mp3
new file mode 100644
index 0000000000..2bcc7e7a94
Binary files /dev/null and b/core/assets/music/game5.mp3 differ
diff --git a/core/assets/music/game5.ogg b/core/assets/music/game5.ogg
deleted file mode 100644
index d988882f7a..0000000000
Binary files a/core/assets/music/game5.ogg and /dev/null differ
diff --git a/core/assets/music/game6.mp3 b/core/assets/music/game6.mp3
new file mode 100644
index 0000000000..9e0cfc97d6
Binary files /dev/null and b/core/assets/music/game6.mp3 differ
diff --git a/core/assets/music/game6.ogg b/core/assets/music/game6.ogg
deleted file mode 100644
index 45b063ae9c..0000000000
Binary files a/core/assets/music/game6.ogg and /dev/null differ
diff --git a/core/assets/music/game7.mp3 b/core/assets/music/game7.mp3
new file mode 100644
index 0000000000..4a8d5187b8
Binary files /dev/null and b/core/assets/music/game7.mp3 differ
diff --git a/core/assets/music/game7.ogg b/core/assets/music/game7.ogg
deleted file mode 100644
index 6a1011657c..0000000000
Binary files a/core/assets/music/game7.ogg and /dev/null differ
diff --git a/core/assets/music/game8.mp3 b/core/assets/music/game8.mp3
new file mode 100644
index 0000000000..a2cebbc465
Binary files /dev/null and b/core/assets/music/game8.mp3 differ
diff --git a/core/assets/music/game9.mp3 b/core/assets/music/game9.mp3
new file mode 100644
index 0000000000..a852b4c4c9
Binary files /dev/null and b/core/assets/music/game9.mp3 differ
diff --git a/core/assets/music/land.mp3 b/core/assets/music/land.mp3
new file mode 100644
index 0000000000..80720c478c
Binary files /dev/null and b/core/assets/music/land.mp3 differ
diff --git a/core/assets/music/land.ogg b/core/assets/music/land.ogg
deleted file mode 100644
index 800b253656..0000000000
Binary files a/core/assets/music/land.ogg and /dev/null differ
diff --git a/core/assets/music/launch.mp3 b/core/assets/music/launch.mp3
new file mode 100644
index 0000000000..7aeb2a3340
Binary files /dev/null and b/core/assets/music/launch.mp3 differ
diff --git a/core/assets/music/launch.ogg b/core/assets/music/launch.ogg
deleted file mode 100644
index 1da1a065c6..0000000000
Binary files a/core/assets/music/launch.ogg and /dev/null differ
diff --git a/core/assets/music/menu.mp3 b/core/assets/music/menu.mp3
new file mode 100644
index 0000000000..6423eba4b2
Binary files /dev/null and b/core/assets/music/menu.mp3 differ
diff --git a/core/assets/music/menu.ogg b/core/assets/music/menu.ogg
deleted file mode 100644
index c23fe679fb..0000000000
Binary files a/core/assets/music/menu.ogg and /dev/null differ
diff --git a/core/src/mindustry/audio/MusicControl.java b/core/src/mindustry/audio/MusicControl.java
index 85979e4f65..33fd752d48 100644
--- a/core/src/mindustry/audio/MusicControl.java
+++ b/core/src/mindustry/audio/MusicControl.java
@@ -6,6 +6,7 @@ import arc.audio.SoloudAudio.*;
 import arc.math.*;
 import arc.struct.*;
 import arc.util.*;
+import mindustry.content.*;
 import mindustry.game.EventType.*;
 import mindustry.gen.*;
 
@@ -13,12 +14,14 @@ import static mindustry.Vars.*;
 
 /** Controls playback of multiple music tracks.*/
 public class MusicControl{
-    protected static final float finTime = 120f, foutTime = 120f, musicInterval = 60 * 60 * 3f, musicChance = 0.6f, musicWaveChance = 0.5f;
+    protected static final float finTime = 120f, foutTime = 120f, musicInterval = 60 * 60 * 3f, musicChance = 0.6f, musicWaveChance = 0.46f;
 
     /** normal, ambient music, plays at any time */
     public Seq<Music> ambientMusic = Seq.with();
     /** darker music, used in times of conflict  */
     public Seq<Music> darkMusic = Seq.with();
+    /** music used explicitly after boss spawns */
+    public Seq<Music> bossMusic = Seq.with();
 
     protected Music lastRandomPlayed;
     protected Interval timer = new Interval();
@@ -35,8 +38,12 @@ public class MusicControl{
         Events.on(ClientLoadEvent.class, e -> reload());
 
         //only run music 10 seconds after a wave spawns
-        Events.on(WaveEvent.class, e -> Time.run(60f * 10f, () -> {
-            if(Mathf.chance(musicWaveChance)){
+        Events.on(WaveEvent.class, e -> Time.run(Mathf.random(8f, 15f) * 60f, () -> {
+            boolean boss = state.rules.spawns.contains(group -> group.getSpawned(state.wave - 2) > 0 && group.effect == StatusEffects.boss);
+
+            if(boss){
+                playOnce(bossMusic.random(lastRandomPlayed));
+            }else if(Mathf.chance(musicWaveChance)){
                 playRandom();
             }
         }));
@@ -45,8 +52,9 @@ public class MusicControl{
     protected void reload(){
         current = null;
         fade = 0f;
-        ambientMusic = Seq.with(Musics.game1, Musics.game3, Musics.game4, Musics.game6);
-        darkMusic = Seq.with(Musics.game2, Musics.game5, Musics.game7);
+        ambientMusic = Seq.with(Musics.game1, Musics.game3, Musics.game6, Musics.game8, Musics.game9);
+        darkMusic = Seq.with(Musics.game2, Musics.game5, Musics.game7, Musics.game4);
+        bossMusic = Seq.with(Musics.boss1, Musics.boss2, Musics.game2, Musics.game5);
     }
 
     public void stop(){
diff --git a/core/src/mindustry/core/Version.java b/core/src/mindustry/core/Version.java
index c2744700a4..bfde8ab511 100644
--- a/core/src/mindustry/core/Version.java
+++ b/core/src/mindustry/core/Version.java
@@ -46,6 +46,10 @@ public class Version{
         }
     }
 
+    public static String buildString(){
+        return build < 0 ? "custom" : build + (revision == 0 ? "" : "." + revision);
+    }
+
     /** get menu version without colors */
     public static String combined(){
         if(build == -1){
diff --git a/core/src/mindustry/graphics/LoadRenderer.java b/core/src/mindustry/graphics/LoadRenderer.java
index 906460dabe..ca66e601bf 100644
--- a/core/src/mindustry/graphics/LoadRenderer.java
+++ b/core/src/mindustry/graphics/LoadRenderer.java
@@ -463,7 +463,7 @@ public class LoadRenderer implements Disposable{
             Font font = assets.get("tech");
             font.setColor(Pal.accent);
             Draw.color(Color.black);
-            font.draw(red + "[[[[ " + key + " ]]\n"+orange+"<" + Version.modifier + " " + (Version.build == 0 ? " [init]" : Version.build == -1 ? " custom" : " " + Version.build) + ">", w/2f, h/2f + 110*s, Align.center);
+            font.draw(red + "[[[[ " + key + " ]]\n" + orange + "<" + Version.modifier + "  " + (Version.build == 0 ? "[init]" : Version.buildString()) + ">", w/2f, h/2f + 110*s, Align.center);
         }
 
         Draw.flush();
diff --git a/core/src/mindustry/logic/LCategory.java b/core/src/mindustry/logic/LCategory.java
index dcdd0483fe..01d127cb6e 100644
--- a/core/src/mindustry/logic/LCategory.java
+++ b/core/src/mindustry/logic/LCategory.java
@@ -1,14 +1,13 @@
 package mindustry.logic;
 
 import arc.graphics.*;
-import mindustry.graphics.*;
 
 public enum LCategory{
-    blocks(Pal.accentBack),
-    control(Color.cyan.cpy().shiftSaturation(-0.6f).mul(0.7f)),
-    operations(Pal.place.cpy().shiftSaturation(-0.5f).mul(0.7f)),
-    io(Pal.remove.cpy().shiftSaturation(-0.5f).mul(0.7f)),
-    units(Pal.bulletYellowBack.cpy().shiftSaturation(-0.3f).mul(0.8f));
+    blocks(Color.valueOf("d4816b")),
+    control(Color.valueOf("6bb2b2")),
+    operations(Color.valueOf("877bad")),
+    io(Color.valueOf("a08a8a")),
+    units(Color.valueOf("c7b59d"));
 
     public final Color color;
 
diff --git a/core/src/mindustry/ui/dialogs/JoinDialog.java b/core/src/mindustry/ui/dialogs/JoinDialog.java
index 24bc1718b4..a09e7941cb 100644
--- a/core/src/mindustry/ui/dialogs/JoinDialog.java
+++ b/core/src/mindustry/ui/dialogs/JoinDialog.java
@@ -377,7 +377,7 @@ public class JoinDialog extends BaseDialog{
                                    }
                                 }).size(40f).get();
                                 image[0].addListener(new Tooltip(t -> t.background(Styles.black6).margin(4).label(() -> !group.hidden() ? "@server.shown" : "@server.hidden")));
-                            }).width(targetWidth()).padBottom(5).row();
+                            }).width(targetWidth()).padBottom(-2).row();
                         }
 
                         addGlobalHost(res, g);
diff --git a/ios/build.gradle b/ios/build.gradle
index 13578d00b1..afd306a656 100644
--- a/ios/build.gradle
+++ b/ios/build.gradle
@@ -14,22 +14,6 @@ task copyAssets(){
             from "../core/assets"
             into "assets/"
         }
-        
-        exec{
-            ignoreExitValue true
-            commandLine "sh", "./convert_audio.sh", "assets/sounds"
-        }
-    
-        exec{
-            ignoreExitValue true
-            commandLine "sh", "./convert_audio.sh", "assets/music"
-        }
-    
-        delete{
-            delete fileTree('assets'){
-                include '**/*.ogg'
-            }
-        }
     }
 }