A way we can all help the people of Ukraine is by spending a minimum of $10
at itch.io on its Bundle for Ukraine. It contains almost 1000 assorted title-games, comics, books, and more from over 700 creators.
Now none of these games are from top companies, but in looking through some there are definitely some you will recognize/have played already. And a lot to discover after that:
Bundle for Ukraine by Necrosoft Games and 732 others - itch.io