diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index c194a5629ee8..396133bf4161 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -6912,6 +6912,11 @@
     githubId = 934284;
     name = "Rouven Czerwinski";
   };
+  EmanuelM153 = {
+    name = "Emanuel";
+    github = "EmanuelM153";
+    githubId = 134736553;
+  };
   emattiza = {
     email = "nix@mattiza.dev";
     github = "emattiza";
diff --git a/pkgs/by-name/op/open-adventure/package.nix b/pkgs/by-name/op/open-adventure/package.nix
new file mode 100644
index 000000000000..76b23b9ac12e
--- /dev/null
+++ b/pkgs/by-name/op/open-adventure/package.nix
@@ -0,0 +1,81 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitLab,
+  python3Packages,
+  pkg-config,
+  libedit,
+  cppcheck,
+  coreutils,
+  asciidoctor,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "open-adventure";
+  version = "1.20";
+  src = fetchFromGitLab {
+    owner = "esr";
+    repo = "open-adventure";
+    tag = finalAttrs.version;
+    hash = "sha256-xbsMz99CNLhpM6BSJVcRzxPB6tUYfPy/3Z+8BKt8b1E=";
+  };
+
+  nativeBuildInputs = [
+    python3Packages.python
+    pkg-config
+    asciidoctor
+  ];
+
+  buildInputs = [
+    python3Packages.pyyaml
+    libedit
+  ];
+
+  doCheck = true;
+
+  nativeCheckInputs = [
+    python3Packages.pylint
+    cppcheck
+  ];
+
+  postPatch = ''
+    patchShebangs --build make_dungeon.py
+
+    # https://gitlab.com/esr/open-adventure/-/issues/70
+    substituteInPlace Makefile --replace-fail "--template " "--template="
+
+    substituteInPlace tests/tapview --replace-fail "/bin/echo" ${lib.getExe' coreutils "echo"}
+  '';
+
+  buildFlags = [
+    "advent.6"
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -vp "$out/bin" "$out/share/man/man6" "$out/share/applications/" "$out/share/icons/hicolor/scalable/apps"
+    install -m 555 ./advent $out/bin
+    install -m 444 ./advent.6 $out/share/man/man6
+    install -m 444 ./advent.desktop $out/share/applications
+    install -m 444 ./advent.svg $out/share/icons/hicolor/scalable/apps
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Forward-port of the Crowther/Woods Adventure 2.5 game from 1995";
+    longDescription = ''
+      This code is a forward-port of the Crowther/Woods Adventure 2.5 game
+      from 1995, last version in the main line of Colossal Cave Adventure
+      development written by Crowther and Woods. The authors have given
+      permission and encouragement to this release.
+    '';
+    license = lib.licenses.bsd2;
+    mainProgram = "advent";
+    homepage = "http://www.catb.org/~esr/open-adventure/";
+    changelog = "https://gitlab.com/esr/open-adventure/-/blob/${finalAttrs.version}/NEWS.adoc";
+    maintainers = with lib.maintainers; [ EmanuelM153 ];
+    platforms = lib.platforms.all;
+  };
+})