diff --git a/protondb.sh b/protondb.sh
new file mode 100755
index 0000000..53e5df9
--- /dev/null
+++ b/protondb.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+set -e
+
+echo 'Creating temporary working directory...'
+rm -rf /tmp/proton-ge-custom
+mkdir /tmp/proton-ge-custom
+cd /tmp/proton-ge-custom
+
+echo 'Getting ProtonGE metadata'
+METADATA=$(curl -s https://api.github.com/repos/GloriousEggroll/proton-ge-custom/releases/latest | grep browser_download_url | cut -d\" -f4)
+test -n "$METADATA"
+# If result is not empty, continue
+
+echo 'Fetching tarball URL...'
+TARBALL_URL=$(echo "$METADATA" | grep .tar.gz)
+TARBALL_NAME=$(basename "$TARBALL_URL")
+echo "Downloading tarball: $TARBALL_NAME..."
+curl -# -L "$TARBALL_URL" -o "$TARBALL_NAME" --no-progress-meter
+
+echo 'Fetching checksum URL...'
+CHECKSUM_URL=$(echo "$METADATA" | grep .sha512sum)
+CHECKSUM_NAME=$(basename "$CHECKSUM_URL")
+echo "Downloading checksum: $CHECKSUM_NAME..."
+curl -# -L "$CHECKSUM_URL" -o "$CHECKSUM_NAME" --no-progress-meter
+
+echo "Verifying tarball $TARBALL_NAME with checksum $CHECKSUM_NAME..."
+sha512sum -c "$CHECKSUM_NAME"
+# If result is ok, continue
+
+echo 'Creating Steam directory if it does not exist...'
+mkdir -p ~/.steam/root/compatibilitytools.d
+
+echo "Extracting $TARBALL_NAME to Steam directory..."
+tar -xf "$TARBALL_NAME" -C ~/.steam/root/compatibilitytools.d/
+echo 'All done :)'