This achievement is only available if you chose the familiar path at the start of the Ga,e
After giving Reza his lunch your goals update to start work at the lab. The lab is upstairs, as a general rule of thumb most buildings you need are near the river.
Visit a crowbot and ask for directions to the lab then head up the nearest staircase and head to the target on the map. Look for a large sign on a building saying Rent-a-lab. Lab entrance is the second door on the right, and it says Cape Town University on it.
Enter the sliding door ahead of you on the left, and after speaking to Ada, examine the algae.
After being introduced to Kidbot head outside.
Once outside, speak to Kidbot and then follow him
You'll arrive at the river, speak to Kidbot again and then follow himto the first testing site.
A large grid will appear on the river surface. sendingKidbot to scan the grid one of the grids will become solid green. Direct kidbot to the green square.
Follow Kidbot to the second site, and they will automatically scan it, bringing up another grid. However two barrels block a square.
DirectKidbot to the barrel on the left, and then the one on the right.
Direct Kidbot to grab the coiled rope on the side of the boat.
Use the rope on Kidbot and direct them to the top corner of the boat.
Direct them to the barrel so that it's attached to the boat.
Direct them to the paper lantern above the old bell, to your left.
Finally, direct Kidbot to the green square.
Speak to Kidbot and then be interrupted by Mira.
Back at the Lab, speak to Ada, and then leave and the achievement will unlock