Need a study break? The Internet Archive has made historic video games available to play from your computer. In Pitfall, you Navigate Pitfall Harry through a maze-like jungle in an attempt to recover 32 treasures in a 20-minute time period! Operate a virtual lemonade stand in an aptly named game called Lemonade Stand. It also has the all-time classic Pac-Man. Here is a link to all of the retro games available on the Internet Archives.
Hat Tip: Law Librarians