Warning: These tips are for experienced portal users only. Don't say we didn't warn you.
Repeating a portal sequence too many times will result in infinite recursion, causing your portal gun to become stuck in an infinite loop. This can be embarrassing, so avoid it.
Learn more about Portal LoopingRegularly clean your portal gun to prevent it from getting clogged with portal goo. This will save you time and effort later.
Learn more about Portal Goo PreventionPortaling during a storm can cause your portal to malfunction, resulting in unexpected consequences. Avoid it.
Learn more about Storm Safety TipsBe mindful of your fellow travelers when portal-hopping. Don't drop your portal gun, or worse, portal-pee on someone's carpet.
Learn more about Portal EtiquetteProve your portal-safety knowledge and get certified. It's a badge of honor (or so we've heard).
Take the Certification Exam