Here is a simple guide on how to fix green lines issues in Impostor Factory.
Nvidia Geforce GTX graphics card with a 10th generation intel i5 core
How to Fix Green lines Issues
– Please go to betas and set it from alternative to none, so the main version of the game gets downloaded again.
– Please try playing the game with your Nvidia GPU if it is currently running via the integrated graphics or vice versa.
Credit to Ali