diff --git a/ps2/flake.lock b/ps2/flake.lock
new file mode 100644
index 0000000..18b7a3c
--- /dev/null
+++ b/ps2/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1771008912,
+        "narHash": "sha256-gf2AmWVTs8lEq7z/3ZAsgnZDhWIckkb+ZnAo5RzSxJg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "a82ccc39b39b621151d6732718e3e250109076fa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/ps2/flake.nix b/ps2/flake.nix
new file mode 100644
index 0000000..d761cd1
--- /dev/null
+++ b/ps2/flake.nix
@@ -0,0 +1,21 @@
+{
+  description = "devshell for compilers/ps2";
+  
+  inputs.nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+  
+  outputs = { self, nixpkgs }:
+    let
+      system = "x86_64-linux";
+      pkgs = import nixpkgs { inherit system; };
+    in {
+      devShells.x86_64-linux.default = pkgs.mkShell {
+        buildInputs = with pkgs; [
+          flex
+          bison
+          gdb
+          cmake
+          libgcc
+        ];
+      };
+    };
+}