sendGame(chatId, gameShortName, form = {}) {
    form.chat_id = chatId;
    form.game_short_name = gameShortName;
    return this._request('sendGame', { form });
  }
Use this method to send a game.

@param {Number|String} chatId Unique identifier for the target chat or username of the target channel (in the format `@channelusername`)
@param {String} gameShortName name of the game to be sent. Set up your games via `@BotFather`.
@param {Object} [options] Additional Telegram query options
@return {Promise} On success, the sent [Message](https://core.telegram.org/bots/api#message) is returned
@see https://core.telegram.org/bots/api#sendgame