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Keep playing and doing actions until you upgrade for it. 

On  Opera GX, when you run the game, the mouse curser is invisible at first. Causing you to waste money when it clicks a tile you can't see. After that it's visible. But still, you can't afford to waste $70 at the start.

Click on the light (near the robot) Then the scrap, Drag the light to "Upgrade" Turn the crank until 10 energy. Drag the orange machine on the right to "Upgrade" Turn to 25 energy, then drag the screwdriver (grey and red thing) to the "Upgrade" turn crank to 350 and mouse over scrap (grey goo) make sure it's 100. 

Keep doing that with items. Either "Upgrade" or the little Slot machine thing will upgrade items. 

It takes a LONG time. You have to keep turning the crank. When you get oil you can upgrade the the idle crank speed. But it increases the cost each time (Make oil in the slot machine)

I'm still working on the 1000 for legs to unlock the door.