In order for you to play Inscryption on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 18.04+
Processor (CPU):
Intel Core i5-760 (4 * 2800); AMD Athlon II X4 645 AM3 (4 * 3100)
Memory (RAM):
4 GB RAM
Graphics Card:
GeForce GTX 550 Ti (3072 VRAM); Radeon HD 6850 (1024 VRAM)
Storage:
3 GB available space
In order to play Inscryption on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 18.04+
Processor (CPU):
Intel Core i5-3470 (4 * 3200); AMD FX-4350 (4 * 4200)
Memory (RAM):
8 GB RAM
Graphics Card:
GeForce GTX 1050 2048 VRAM; Radeon RX 460 4096 VRAM
Storage:
3 GB available space