In order for you to play Nightmares from the Deep: The Cursed Heart on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 12.04 (32/64bit)
Memory (RAM):
512 MB RAM
Graphics Card:
128 MB VRAM
Storage:
1 GB available space
Recommended System Requirements (Linux)
In order to play Nightmares from the Deep: The Cursed Heart on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System: Linux x64 (tested on Linux Mint) Processor (CPU): at least 1.6 GHz Memory (RAM): 4 GB RAM Graphics Card: with DX10 (shader model 4.0) capabilities Storage: 4 GB available space