A familiar suggestion If you can, coloring the last save with yellow is a nice feature.
During the game there are several 'Social Boss Fights'. Some are easier, other require more thinking.
Change 'other' to the plural 'others:
Some are easier, others require more thinking.
I knew that Luke, Tom, and also Luke's girlfriend, Helen, had only one chance to escape the long reaches of Nanotech.
You could remove the 'also', and the sentence would flow a little better:
I knew that Luke, Tom, and Luke's girlfriend, Helen, had..
Everything! Didn't hear me? The bastard set everything in motion!
Put 'you' before 'hear':
Everything! Didn't you hear me?