Keywords you're interested in. You said you want to learn philosophy to improve your video game making, I just typed in "video game" into the search bar: https://plato.stanford.edu/search/searcher.py?query=video+game

Some results: https://plato.stanford.edu/entries/it-moral-values/ https://plato.stanford.edu/entries/paradox-stpetersburg/

You can also try searching for "dialectics" and stuff like that. SEP is like the wikipedia for philosophy, one can spend hours reading it and going down rabbit holes.