diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..a23204c
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,5 @@
+with import <nixpkgs> {};
+stdenv.mkDerivation {
+    name = "a-robots-conundrum";
+    buildInputs = [ (python27.withPackages (ps: with ps; [ pygame numpy ])) ];
+}