Thanks for playing my games!
I can check out the bug with Redshift 7, but it is unlikely that it will be fixed. The project is old now and was made with an old version of Unity engine. I also created the game in Windows and I now use Linux exclusively. Last time I attempted to work on the project, I could not find a compatible build of the Unity Editor that would actually open the project, so I had to modify the dll files in order to fix a bug.
To find the first artifact in Redshift 7, you need to respond to the distress signal at the abandoned space station. To do this, wait for the message about the distress signal. The message occurs periodically and will be displayed on the HUD. Then, pilot your ship to the station. You will see a flaming ship on the landing pad. Stop your ship near the landing pad and get out. Float over to the flaming ship in your space suit and this should trigger an event. An audio message about the planet Magmos will play. After that, the mission will update and you need to go to the red planet, "Magmos". When you land on the planet, the artifact will be there.
I have the GUI scaling working for Overgrown, but I probably won't have the update released until tomorrow night because I have to go through the process of compiling the code for Windows, Mac and Linux and pushing the builds to itch.io, and I am out of time for today.