diff --git a/misc/collaborative_development/challenge.zip b/misc/collaborative_development/challenge.zip
new file mode 100644
index 0000000..07b2b66
Binary files /dev/null and b/misc/collaborative_development/challenge.zip differ
diff --git a/misc/collaborative_development/flag.txt b/misc/collaborative_development/flag.txt
new file mode 100644
index 0000000..deee15a
--- /dev/null
+++ b/misc/collaborative_development/flag.txt
@@ -0,0 +1,2 @@
+picoCTF{t3@mw0rk_m@k3s_th3_dr3@m_w0rk_4c24302f}
+
diff --git a/misc/collaborative_development/solve.sh b/misc/collaborative_development/solve.sh
new file mode 100755
index 0000000..ffa51e7
--- /dev/null
+++ b/misc/collaborative_development/solve.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p bash unzip git python3
+
+unzip -o -q challenge.zip
+pushd drop-in
+
+git checkout "feature/part-1"
+python flag.py
+echo ""
+
+git checkout "feature/part-2"
+python flag.py
+echo ""
+
+git checkout "feature/part-3"
+python flag.py
+
+popd
+rm -rf ./drop-in