Let's Play Black Mesa 1.0 [Part 24] - Now You're Thinking With Portals!

I'd best get to the bottom of this. Opening - 0:00 Tentacle Love - 0:06 The Beautiful Xen - 4:04 Wiring Some Puzzles - 9:43 Induced Explosion - 16:17 Thinking With Portals - 21:23