Revert "n2048: drop" (#414672)

pkgs/by-name/n2/n2048/package.nix

@@ -0,0 +1,43 @@
+{
+  lib,
+  stdenv,
+  fetchurl,
+  ncurses,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "n2048";
+  version = "0.1";
+
+  src = fetchurl {
+    url = "http://www.dettus.net/n2048/n2048_v${finalAttrs.version}.tar.gz";
+    hash = "sha256-c4bHWmdQuwyRXIm/sqw3p71pMv6VLAzIuUTaDHIWn6A=";
+  };
+
+  env = {
+    NIX_CFLAGS_COMPILE = toString [
+      "-Wno-error=implicit-function-declaration"
+    ];
+  };
+
+  buildInputs = [
+    ncurses
+  ];
+
+  makeFlags = [
+    "DESTDIR=$(out)"
+  ];
+
+  preInstall = ''
+    mkdir -p "$out"/{share/man,bin}
+  '';
+
+  meta = {
+    description = "Console implementation of 2048 game";
+    mainProgram = "n2048";
+    license = lib.licenses.bsd2;
+    maintainers = with lib.maintainers; [ raskin ];
+    platforms = lib.platforms.linux;
+    homepage = "http://www.dettus.net/n2048/";
+  };
+})

pkgs/top-level/aliases.nix

@@ -1287,7 +1287,6 @@ mapAliases {
 
   ### N ###
 
-  n2048 = throw "'n2048' has been removed due to lack of maintenance upstream. Consider using '_2048-in-terminal'."; # Added 2025-06-07
   ncdu_2 = ncdu; # Added 2022-07-22
   neocities-cli = neocities; # Added 2024-07-31
   neocomp = throw "neocomp has been remove because it fails to build and was unmaintained upstream"; # Added 2025-04-28