diff --git a/src/content/subgames.cpp b/src/content/subgames.cpp
index 14aa9259c..8f18694c4 100644
--- a/src/content/subgames.cpp
+++ b/src/content/subgames.cpp
@@ -212,14 +212,18 @@ SubgameSpec findSubgame(const std::string &id)
 	if (conf.exists("release"))
 		game_release = conf.getS32("release");
 
+	std::string gameid_alias;
+	if (conf.exists("gameid_alias"))
+		gameid_alias = conf.get("gameid_alias");
+
 	std::string menuicon_path;
 #ifndef SERVER
 	menuicon_path = getImagePath(
 			game_path + DIR_DELIM + "menu" + DIR_DELIM + "icon.png");
 #endif
 
-	SubgameSpec spec(idv, game_path, gamemod_path, mods_paths, game_title,
-			menuicon_path, game_author, game_release);
+	SubgameSpec spec(id, game_path, gamemod_path, mods_paths, game_title,
+			menuicon_path, game_author, game_release, gameid_alias);
 
 	if (conf.exists("name") && !conf.exists("title"))
 		spec.deprecation_msgs.push_back("\"name\" setting in game.conf is deprecated, please use \"title\" instead");
diff --git a/src/content/subgames.h b/src/content/subgames.h
index d5d168243..1395426ef 100644
--- a/src/content/subgames.h
+++ b/src/content/subgames.h
@@ -34,6 +34,7 @@ struct SubgameSpec
 	int release;
 	std::string path;
 	std::string gamemods_path;
+	std::string gameid_alias;
 
 	/**
 	 * Map from virtual path to mods path
@@ -49,11 +50,12 @@ struct SubgameSpec
 			const std::unordered_map<std::string, std::string> &addon_mods_paths = {},
 			const std::string &title = "",
 			const std::string &menuicon_path = "",
-			const std::string &author = "", int release = 0) :
+			const std::string &author = "", int release = 0,
+			const std::string &gameid_alias = "") :
 			id(id),
 			title(title), author(author), release(release), path(path),
 			gamemods_path(gamemods_path), addon_mods_paths(addon_mods_paths),
-			menuicon_path(menuicon_path)
+			menuicon_path(menuicon_path), gameid_alias(gameid_alias)
 	{
 	}
 
diff --git a/src/script/lua_api/l_mainmenu.cpp b/src/script/lua_api/l_mainmenu.cpp
index a5913e807..4906adb76 100644
--- a/src/script/lua_api/l_mainmenu.cpp
+++ b/src/script/lua_api/l_mainmenu.cpp
@@ -332,6 +332,10 @@ int ModApiMainMenu::l_get_games(lua_State *L)
 		lua_pushstring(L,  game.menuicon_path.c_str());
 		lua_settable(L,    top_lvl2);
 
+		lua_pushstring(L,  "aliases");
+		lua_pushstring(L,  game.gameid_alias.c_str());
+		lua_settable(L,    top_lvl2);
+
 		lua_pushstring(L, "addon_mods_paths");
 		lua_newtable(L);
 		int table2 = lua_gettop(L);