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����ϵͳ: Windows 7 or higher
������: Intel i5 @ 3.0 GHz or AMD equivalent
�ڴ�: 4 GB RAM
�Կ�: Nvidia Geforce 550 or equivalent (full OpenGL 3.0 support required)
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�洢�ռ�: ��Ҫ 1 GB ���ÿռ�
��ע����: Middle mouse button, mouse wheel required. No Internet connection required for Singleplayer.