In order for you to play Unexplored on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
glibc 2.17+, 32/64-bit
Processor (CPU):
1.6 GHz
Memory (RAM):
2 GB RAM
Graphics Card:
OpenGL 3.0+ support (2.1 with ARB extensions acceptable)
Storage:
500 MB available space