Requires a connected joypad or keyboard to play ( Bluetooth or USB wired ). This free demo version allows you to fully explore the mission hub and play the first mission: space ship dog fighting around a large battleship in an asteroid field. Check out the full version available on the Google Play Store today. 需要连接手柄或键盘玩（蓝牙或USB有线）。 这个免费的试用版，您可以充分发掘任务枢纽和播放第一个任务：在小行星领域飞船斗狗围绕着一个大型战舰。检查出可在谷歌Play商店今天的完整版本。