In order for you to play Halls of Torment on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 18.04 LTS or equivalent
Processor (CPU):
4 Cores / 2.5 GHz+
Memory (RAM):
4 GB RAM
Graphics Card:
Intel Iris Xe / Nvidia GTX 970 / AMD RX 570 (Mesa 22.0)
Storage:
4 GB available space
In order to play Halls of Torment on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 22.04 LTS or equivalent
Processor (CPU):
4 Cores / 3.5 GHz+
Memory (RAM):
8 GB RAM
Graphics Card:
Nvidia GTX 1070 / AMD RX 570 (Mesa 22.0)
Storage:
4 GB available space