In order for you to play The Procession to Calvary on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 14.04 / SteamOS
Processor (CPU):
2 GHz - Dual Core
Memory (RAM):
2 GB RAM
Storage:
1 GB available space
Recommended System Requirements (Linux)
In order to play The Procession to Calvary on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following