diff --git a/flake.lock b/flake.lock
index 6d8ebafa..2a15f8fa 100644
--- a/flake.lock
+++ b/flake.lock
@@ -42,11 +42,11 @@
     },
     "emacs-overlay": {
       "locked": {
-        "lastModified": 1641901534,
-        "narHash": "sha256-Nvm6Zj80fVtzmGsUFYlz9XGFyLnyAe9VoduPmDBu+js=",
+        "lastModified": 1641926379,
+        "narHash": "sha256-zvp7ATyqNv9952TwxPcRg3t8BI2HEIrnPdZHRaUOoU0=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "57378ea2f62e9f450f420dc9d01cc06e0d3dd15e",
+        "rev": "c41bd1462ade47da23e5df9a82badb19c9185bb0",
         "type": "github"
       },
       "original": {
@@ -113,10 +113,31 @@
         "emacs-overlay": "emacs-overlay",
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs",
+        "tetris": "tetris",
         "utils": "utils",
         "zeroad": "zeroad"
       }
     },
+    "tetris": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1641928399,
+        "narHash": "sha256-55FwNVfgHReLbaktBx31rtPJFkp+HenD8uLTzV2+GEA=",
+        "owner": "chvp",
+        "repo": "tetris",
+        "rev": "dd70718cac370d2bc44c1b45848969386282970b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "chvp",
+        "repo": "tetris",
+        "type": "github"
+      }
+    },
     "utils": {
       "inputs": {
         "flake-utils": "flake-utils"
@@ -142,11 +163,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1641824052,
-        "narHash": "sha256-xbPD2kYtLAIekf701s6hMo9ArA/8X91CiP9zXqK3me8=",
+        "lastModified": 1641927600,
+        "narHash": "sha256-1zZyiAODX6fwGNylT4/hP/2OphIOctAevl9VPTtbssg=",
         "owner": "chvp",
         "repo": "0ad-flake",
-        "rev": "73d0ba0dc3d22e8d67139cc3697afaebca1c6cd9",
+        "rev": "1b93201ef3c24479c3ecd598bb05ad8a3f0faf67",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 96e68abc..9049435b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,6 +16,10 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    tetris = {
+      url = "github:chvp/tetris";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     utils.url = "github:gytis-ivaskevicius/flake-utils-plus";
     zeroad = {
       url = "github:chvp/0ad-flake";
@@ -23,7 +27,7 @@
     };
   };
 
-  outputs = inputs@{ self, nixpkgs, accentor, agenix, emacs-overlay, home-manager, zeroad, utils }:
+  outputs = inputs@{ self, nixpkgs, accentor, agenix, emacs-overlay, home-manager, zeroad, tetris, utils }:
     let
       customPackages = callPackage: {
         jdtls = callPackage ./packages/jdtls { };
@@ -38,6 +42,7 @@
           emacs-overlay.overlay
           (self: super: customPackages self.callPackage)
           (self: super: { zeroad = zeroad.packages.x86_64-linux.zeroad; })
+          (self: super: { tetris = tetris.packages.x86_64-linux.tetris; })
         ];
       };
       hostDefaults = {
diff --git a/modules/games/tetris/default.nix b/modules/games/tetris/default.nix
index 9678a28d..70de3e9c 100644
--- a/modules/games/tetris/default.nix
+++ b/modules/games/tetris/default.nix
@@ -1,26 +1,5 @@
 { config, lib, pkgs, ... }:
 
-let
-  tetris = pkgs.mkYarnPackage rec {
-    pname = "tetris";
-    version = "unstable";
-    src = pkgs.fetchFromGitHub {
-      owner = "chvp";
-      repo = "tetris";
-      rev = "main";
-      sha256 = "lH7LV03pRCJnY4ZjklWpmNuWjrQUiy1LwuByQlA1nTg=";
-    };
-    packageJSON = ./package.json;
-    yarnLock = ./yarn.lock;
-    yarnNix = ./yarn.nix;
-    buildPhase = "yarn run build";
-    installPhase = ''
-      cp -r deps/tetris/dist $out
-      rm $out/*.map
-    '';
-    distPhase = "true";
-  };
-in
 {
   options.chvp.games.tetris.server = lib.mkOption {
     default = false;
@@ -31,7 +10,7 @@ in
     chvp.services.nginx.hosts = [{
       fqdn = "tetris.vanpetegem.me";
       options = {
-        root = "${tetris}";
+        root = "${pkgs.tetris}";
         locations."/".index = "index.html";
       };
     }];