Are you having a situation that there are no places to go? No worries, this guide will help you!
Do you know what this world needs more?
Portals! More portals. Always try to find more hidden portals.
Try on the 4D glasses. You get them from the lab. The glasses will show you the potential portals in the place you are at the moment.
Now, just activate the portal with your tachyon crossbow.