How do i UNencrypt a file?

i beleive the file i am trying to edit, is Encrypted, dose anyone know how to un encrypt a file. The game is called Luminary Rise of the goonzu

a random data file says

NCR n L o l l e c ��*�� +��&��'��zZ�[b�7�9�?�P
�|0��X�~ �X�i��U �@ٍq%��\��=<��,�X́?��i��V
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ۏJ��6��6�� :�̀}1�?�K�Nz.��:�cѽq�K��>�� {c�;�^Q��}1�nv*�;�sb�I�rj�QQ��׋6�c! Հ4�]}�\�v*��DD،��4A3σ�㦛�\9�5�F��Jσ�G��ZM��.� ڎ�,��ta�:*TW�
�"�σh�G�kP�*��uz.�b��l �I��I �H
ut��g3�w��Љ=��[�b��j�E�jR��t|0*aZ�@�_G��3��xo#�OL �� -��z'۾rҏC �QQ�|��{�2�z�'��aa�h�8*��R�d Թmͳg�9��΂s'�LT��4��w3�rv*�O\�;�WD��( �Չn"ߓv*�F�N�T�&��a��_6^O�ƼX,%�]��w+҆0�*T9�M5�H�sh�PH��҆s'�H�fE��*8��ڎ
�3�σ>�K�}8윅U�DJޒ�\׫_�"��,P5(u�>��m!��d ��i،�$��td�=�fN��(�ޒ�Չd�PA��?��R�?� x%ٱ�l�/�w��B֊�7��/%񥵬Q��CޒK��mͰd Ծr/�Ԉs'�K�g^�9�mh�SI��3��v*�5�UH��E��P<�*a�k? ��>Z��k?�V�/[��x,HL1$q�r+ߙM9�D�tӎB�iR��?��}~2�\O� �*�׋`�4�]E��X=�P
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��)�ٍ�?�b'ۻo*�r�DU)��L}�!3[/�f�?KV̍A��_��f��l �K�dT��zz.�_\�>*aA��5��vb�?�[�_�RZ�\�Q�T u ��7{�p�=��%ޒL

Dose anyone know what this means? am i right to assume its Encrypted?

Any Help on the matter would be much apreciated!

Thanks.

P.S. its in a .txt file so idk if its of importance to note that.