Portals aren't transparent

[The Asinine Plan]

I have a glitch in which you can't see through 1 portal into the other one, what causes this?

[Calmly Frenetic]

It may be a setting, or a driver issue:
http://steamcommunity.com/app/400/discussions/0/537405286654400771/

[perropequeño2222]

Your Portal Render Distance may be low. Make it higher by going to OPTIONS.

[GOLD3N 4RM]

@barney too bad that didn't work