34 0 1Actions Report Solution This can be done in the main co-op room, as soon as you start.Simply place a portal in one location, and when your co-op companion begins to gesture fire the other color portal below them. Easy 25.Guide not helping? View 2 more guides for this achievement.Showing only comment. Leave a comment. Just learned the name of this achievement comes from the original concept game.https://en.wikipedia.org/wiki/Narbacular_DropPosted by halohogg on 07 May 19 at 19:23 Leave a comment
13 3 0Actions Report Solution This can be done pretty much anywhere. Have your friend stand over a surface where you can shoot a portal. Now shoot a portal somewhere else. Have your friend gesture and then shoot a portal below them while they are gesturing and achievement unlocked.
6 1 0Actions Report Solution This achievement can be done anywhere after the initial training. When you get to the hub, get your partner to stand on a place where you can shoot a portal and gesture. Shoot 2 Portals while your partner is gesturing and boom. 25G.