Oh, I've always wanted one of these.

Let's see, uh, this button makes an orange portal entrance,

this one makes a blue portal entrance.

Let's try it out.

Oh, this is gonna be fun.

Works just like in the game.

This is going to be so cool.

Ah, ah, ah, ah, ah, ah,

I really should have thought this through.

Spake! Thank you. Hello internet. Welcome to Game Theory, the show that's been thinking with portals since 2013.

Seriously, unlike me across my 10 years of YouTube, that's been thinking with portals since 2013.

Seriously, unlike me across my 10 years of YouTube,

the game portal doesn't feel like it's aged all that much.

It's timeless, really.

The basic concept is just so simple.

You take a portal gun, you shoot it at one surface to create a blue

portal hole, you shoot it at another surface to create an orange portal hole, boom,

suddenly they're connected. Step through either of those holes that you've

created to pass through to the other side. And yet for as intuitive and easy to grasp as the concept is it's the puzzles that they don't show you that really start to wrinkle your brain like what would happen if for instance I took my portal, shot a portal here on the ceiling, here on the floor.

Easy, you do this a hundred times throughout the actual game, but here's where things start to get interesting.

Say I take a pole the exact height of this room, and I stick the bottom part of the pole down through

here in the portal on the floor where what you know it pops out up here through the portal on the

...