Yeah. I've given her notebooks as presents before, and she always liked those. Stuffed animals, too.

[Though... it's not like there's anywhere to buy plushies? Implying he either scavenged it from another ship, or made it himself. It's the latter.]

But sure, I don't see why you couldn't do stuff with game designs. Maybe you could make something for her like... a board game, or maybe a strategy guide for your favorite game and play it with her?