diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..2e59796
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,2 @@
+use flake
+watch_file shell.nix
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..a138696
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,40 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-utils",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1663491030,
+        "narHash": "sha256-MVsfBhE9US5DvLtBAaTRjwYdv1tLO8xjahM8qLXTgTo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "767542707d394ff15ac1981e903e005ba69528b5",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..967e2ca
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,14 @@
+{
+  description = "Project Kyoku";
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+        in
+        {
+          devShell = import ./shell.nix { inherit pkgs; };
+        }
+      );
+}
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..d5904b9
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,10 @@
+{
+  pkgs     ? import <nixpkgs> {},
+  unstable ? import <nixos-unstable> {},
+}:
+
+with pkgs;
+mkShell {
+  buildInputs = [ sfml ];
+  nativeBuildInputs = [ ccls cmake ];
+}