Use the console, then select option 4 and read about the Zhawks, Octoids and Kytans, then exit the console The Researcher.
Open the bottom-left pod to free Zoomer, then open the top-right pod to free Shelley. Go and ask Zoomer about Shelley, then ask Shelley about Zoomer. Now open the machine on the right and get the watering can. Open the closet on the left, then take the mop and wrench. Use the wrench on the bottom-right pod The Investigator.
Get the tentacle. Open the hatch, then scan the tentacle. Press the button, then go down to leave the spacecraft.
Go left and drift around for a few seconds EVA Explorer. Head up and you will die (1/2). Back below your spacecraft, use your wrench to fix the right landing gear. Go back up through the bottom of the spacecraft.
Press the button, then go right. Go over to the butter and use the mop to die (2/2) Existential.
Inside the spacecraft again, move the panel on the left, then enter the hole. Go over to the right and drop the watering can where you can see the butter dripping. Return to the left, then use the mop on the butter again. Enter the hole again and take the watering can. Return to the left.
Use the butter on the engine at the bottom of the screen. Use the console again, and select options 2, 2 and 1 Touchdown. There is an achievement for getting 46/46 points High Achiever.