diff --git a/sound/Makefile b/sound/Makefile
index 8e06832..2f6af2b 100644
--- a/sound/Makefile
+++ b/sound/Makefile
@@ -1,4 +1,4 @@
-SFX = plasma explode explode2 explode3 explode4
+SFX = plasma explode explode2 explode3 explode4 laser item
 OGG = $(SFX:%=%.ogg)
 WAV = $(SFX:%=%.wav)
 
diff --git a/sound/item.csd b/sound/item.csd
new file mode 100644
index 0000000..19aaa7b
--- /dev/null
+++ b/sound/item.csd
@@ -0,0 +1,37 @@
+<CsoundSynthesizer>
+<CsInstruments>
+sr = 48000
+ksmps = 32
+nchnls = 1
+0dbfs = 1
+
+; Item sound:
+; Four notes mixed together and some reverberation added.
+; The notes are sine waves with a very short attack and decay applied,
+; necessary to avoid clicking sounds.
+
+gisine ftgen 1, 0, 16384, 10, 1
+ga1 init 0
+
+instr 1
+	a1 poscil 0.4, p4, gisine
+	a2 linseg 0, 0.001, 1, p3 - 0.002, 1, 0.001, 0
+	ga1 = ga1 + a1 * a2
+endin
+
+instr 99
+	a1 reverb ga1, 0.7
+	out ga1 + a1 * 0.15
+	ga1 = 0
+endin
+</CsInstruments>
+<CsScore>
+i 1 0.00 0.15 300
+i 1 0.08 0.15 450
+i 1 0.16 0.15 375
+i 1 0.24 0.15 600
+i 99 0 0.65
+e
+</CsScore>
+</CsoundSynthesizer>
+
diff --git a/sound/item.ogg b/sound/item.ogg
deleted file mode 100644
index 8279f88..0000000
Binary files a/sound/item.ogg and /dev/null differ
diff --git a/sound/laser.ogg b/sound/laser.ogg
deleted file mode 100644
index c3d8657..0000000
Binary files a/sound/laser.ogg and /dev/null differ