Yes, subway parkour Oxford edition has a built-in menu, and you can play the arena and treasure. In the Oxford version, players can compete with other players in the arena and get treasures. To play the arena, you need to open the arena menu in the game first, and then choose a game mode, such as challenge mode and endless mode. Next, the player can select the map and start the game. In the game, players can use props to change the course of the game, compete with other players and finally get treasures. In addition, players can also get treasures in the game to improve their abilities, such as increasing speed and increasing health. Players can get treasures in the game, and they can also get more treasures by buying treasures. In short, the built-in menu of Metro Parkour Oxford Edition can play the arena and treasures, and players can get treasures in the game, or they can get more treasures by buying treasures, thus improving their abilities.