Can also confirm the same issue. Game dumps everything to system memory, having 13 GB of RAM usage in total (on Ultra-Nightmare settings). VRAM usage is really low for a game like this. nvidia-smi shows less than 1GB of VRAM allocation. Game detects graphics card and Vulkan version just fine.
Specs:
- AMD Ryzen 5 3600 3.95 GHZ
- NVIDIA RTX 2070 (Driver: 440.66.04)
- Vulkan version: 1.2.135
- 32 GB GSKILL 3600 MHZ
- Manjaro Linux 5.4.27-1