diff --git a/frontend/public/assets/audio/Boss hit 1.mp3 b/frontend/public/assets/audio/Boss hit 1.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..fd0c16a4f026731b92d1ab5c967806b7664ba4e7
Binary files /dev/null and b/frontend/public/assets/audio/Boss hit 1.mp3 differ
diff --git a/frontend/public/assets/audio/Boss hit 1.wav b/frontend/public/assets/audio/Boss hit 1.wav
deleted file mode 100644
index 267f716d897f883776b59e4ce1b2aab4fb1e20b6..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/audio/Boss hit 1.wav and /dev/null differ
diff --git a/frontend/public/assets/audio/Bubble heavy 2.mp3 b/frontend/public/assets/audio/Bubble heavy 2.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..b36aabe7d7497b61dbc5d42abe16f9f73f10b5cf
Binary files /dev/null and b/frontend/public/assets/audio/Bubble heavy 2.mp3 differ
diff --git a/frontend/public/assets/audio/Bubble heavy 2.wav b/frontend/public/assets/audio/Bubble heavy 2.wav
deleted file mode 100644
index 88ff9337aa0322f697f4519f9ecf66ca858a5542..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/audio/Bubble heavy 2.wav and /dev/null differ
diff --git a/frontend/public/assets/audio/Cancel 1.mp3 b/frontend/public/assets/audio/Cancel 1.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..2c8642427dff7ed1ccadb6b6c0c2e70a528700d6
Binary files /dev/null and b/frontend/public/assets/audio/Cancel 1.mp3 differ
diff --git a/frontend/public/assets/audio/Cancel 1.wav b/frontend/public/assets/audio/Cancel 1.wav
deleted file mode 100644
index b0a8c412dfd4fb30f6794c4fec349cf234bbd0b4..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/audio/Cancel 1.wav and /dev/null differ
diff --git a/frontend/public/assets/audio/Confirm 1.mp3 b/frontend/public/assets/audio/Confirm 1.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..34b8dc63e00854ef77a3e6ec7026d317e771c1c3
Binary files /dev/null and b/frontend/public/assets/audio/Confirm 1.mp3 differ
diff --git a/frontend/public/assets/audio/Confirm 1.wav b/frontend/public/assets/audio/Confirm 1.wav
deleted file mode 100644
index d08d0dc75d4a65f71e04b0aa5a1f18a143fd87b5..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/audio/Confirm 1.wav and /dev/null differ
diff --git a/frontend/public/assets/audio/Hit damage 1.mp3 b/frontend/public/assets/audio/Hit damage 1.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..11861874400ba89f5abb1c9063f717b292e96f54
Binary files /dev/null and b/frontend/public/assets/audio/Hit damage 1.mp3 differ
diff --git a/frontend/public/assets/audio/Hit damage 1.wav b/frontend/public/assets/audio/Hit damage 1.wav
deleted file mode 100644
index c9f6f6c464053fb67611520f1ce6d71ccf3c9ddc..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/audio/Hit damage 1.wav and /dev/null differ
diff --git a/frontend/public/assets/audio/Text 1.mp3 b/frontend/public/assets/audio/Text 1.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..e1adf828e6251ba4f3f2333d61645bb7db721ce8
Binary files /dev/null and b/frontend/public/assets/audio/Text 1.mp3 differ
diff --git a/frontend/public/assets/audio/Text 1.wav b/frontend/public/assets/audio/Text 1.wav
deleted file mode 100644
index 7b6765644bd97d13d4c03219230cd9a4e45cfd98..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/audio/Text 1.wav and /dev/null differ
diff --git a/frontend/public/assets/music/buildup.mp3 b/frontend/public/assets/music/buildup.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..9b1a7894f9a78b5f378ba714547b4595fd3bde15
Binary files /dev/null and b/frontend/public/assets/music/buildup.mp3 differ
diff --git a/frontend/public/assets/music/buildup.wav b/frontend/public/assets/music/buildup.wav
deleted file mode 100644
index ca794547b220009b27abe339665396ccaddc2294..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/music/buildup.wav and /dev/null differ
diff --git a/frontend/public/assets/music/loop.mp3 b/frontend/public/assets/music/loop.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..21ea546c155240d8fd074a48b69768e76ef5ed85
Binary files /dev/null and b/frontend/public/assets/music/loop.mp3 differ
diff --git a/frontend/public/assets/music/loop.wav b/frontend/public/assets/music/loop.wav
deleted file mode 100644
index 1f16094f30c575241669a751f70d070bd08c87e4..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/music/loop.wav and /dev/null differ
diff --git a/frontend/public/assets/music/loopThree.mp3 b/frontend/public/assets/music/loopThree.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..cc46a4afc4e1346bbc3611d8ab4ef5391725863a
Binary files /dev/null and b/frontend/public/assets/music/loopThree.mp3 differ
diff --git a/frontend/public/assets/music/loopThree.wav b/frontend/public/assets/music/loopThree.wav
deleted file mode 100644
index 100620f35035f5a847a089836af753f711cc74d5..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/music/loopThree.wav and /dev/null differ
diff --git a/frontend/public/assets/music/loopTwo.mp3 b/frontend/public/assets/music/loopTwo.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..5bfea0fb24b96379ca98f346ba1265fb76cf3dac
Binary files /dev/null and b/frontend/public/assets/music/loopTwo.mp3 differ
diff --git a/frontend/public/assets/music/loopTwo.wav b/frontend/public/assets/music/loopTwo.wav
deleted file mode 100644
index 9220dddbd36e18f7473dde607ef33d2bdd83403f..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/music/loopTwo.wav and /dev/null differ
diff --git a/frontend/public/assets/music/loose.mp3 b/frontend/public/assets/music/loose.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..46037abe0f408baccdcaeede7e7c96ff68d74870
Binary files /dev/null and b/frontend/public/assets/music/loose.mp3 differ
diff --git a/frontend/public/assets/music/loose.wav b/frontend/public/assets/music/loose.wav
deleted file mode 100644
index 68421099c6605587643c0e2cbe0b18f3104bd443..0000000000000000000000000000000000000000
Binary files a/frontend/public/assets/music/loose.wav and /dev/null differ
diff --git a/frontend/src/js/fight_scene.ts b/frontend/src/js/fight_scene.ts
index c65c7837e9ba80ce76bffc2828e41eb556156a2d..344c358802fd578bc3d4308de10d0092785a500a 100644
--- a/frontend/src/js/fight_scene.ts
+++ b/frontend/src/js/fight_scene.ts
@@ -64,18 +64,18 @@ export default class FightScene extends Phaser.Scene {
   }
 
   preloadSoundsEffects() {
-    this.load.audio("sfx_lo_beep", "assets/audio/Cancel 1.wav");
-    this.load.audio("sfx_md_beep", "assets/audio/Text 1.wav");
-    this.load.audio("sfx_hi_beep", "assets/audio/Confirm 1.wav");
-    this.load.audio("sfx_hit_critter", "assets/audio/Hit damage 1.wav");
-    this.load.audio("sfx_hit_player", "assets/audio/Boss hit 1.wav");
-    this.load.audio("sfx_game_over", "assets/audio/Bubble heavy 2.wav");
+    this.load.audio("sfx_lo_beep", "assets/audio/Cancel 1.mp3");
+    this.load.audio("sfx_md_beep", "assets/audio/Text 1.mp3");
+    this.load.audio("sfx_hi_beep", "assets/audio/Confirm 1.mp3");
+    this.load.audio("sfx_hit_critter", "assets/audio/Hit damage 1.mp3");
+    this.load.audio("sfx_hit_player", "assets/audio/Boss hit 1.mp3");
+    this.load.audio("sfx_game_over", "assets/audio/Bubble heavy 2.mp3");
   }
 
   preloadMusicThemes() {
-    this.load.audio("bkg_main_1", "assets/music/loop.wav");
-    this.load.audio("bkg_main_2", "assets/music/loopTwo.wav");
-    this.load.audio("bkg_main_3", "assets/music/loopThree.wav");
+    this.load.audio("bkg_main_1", "assets/music/loop.mp3");
+    this.load.audio("bkg_main_2", "assets/music/loopTwo.mp3");
+    this.load.audio("bkg_main_3", "assets/music/loopThree.mp3");
   }
 
   preloadSprites() {
diff --git a/frontend/src/js/game_over_scene.ts b/frontend/src/js/game_over_scene.ts
index 9127b4c72ee1c1fd82252bf23d4fd1e1c6b9b393..cfd7ca637f3b1e0d4240093b8dd9a0a8b28fd7ca 100644
--- a/frontend/src/js/game_over_scene.ts
+++ b/frontend/src/js/game_over_scene.ts
@@ -10,8 +10,7 @@ export default class GameOverScene extends Phaser.Scene {
   }
 
   preload() {
-    this.load.audio("bkg_failure", "assets/music/loose.wav");
-    // this.load.audio("bkg_success", "assets/music/win.wav");
+    this.load.audio("bkg_failure", "assets/music/loose.mp3");
   }
 
   musicHardReplace(
diff --git a/frontend/src/js/welcome_scene.ts b/frontend/src/js/welcome_scene.ts
index c7ff2ce80ee226937d114a1f5fc4cae5c25c2c81..99316f856013153407ddd9c902954410f574ac83 100644
--- a/frontend/src/js/welcome_scene.ts
+++ b/frontend/src/js/welcome_scene.ts
@@ -8,8 +8,7 @@ export default class WelcomeScene extends Phaser.Scene {
   }
 
   preload() {
-    this.load.audio("bkg_buildup", "assets/music/buildup.wav");
-    // this.load.audio("bkg_breakdown", "assets/music/breakdown.wav");
+    this.load.audio("bkg_buildup", "assets/music/buildup.mp3");
   }
 
   musicHardReplace(