Google published its top trending search terms of 2015 today across a wide swath of categories, and the list of most-searched video games features some interesting titles, both unsurprising and unexpected.
Rounding out the bottom half of the list are other greatly discussed games, like next year's mobile game and real-world exploration title Pokémon Go (number six); this year's versions of NBA 2K and Madden NFL (seven and eight respectively); and Bloodborne and Battlefield Hardline, which finish out the list of ten.
It's the holder of that number one spot, however, that is most surprising: Agar.io, the multiplayer browser game that has players control a hungry cell in an effort to expand and survive.
Agar.io is available on iOS and Android, too, and has amassed widespread popularity in all of its iterations. The biologically focused MMO became popular with streamers on Twitch and YouTube, and was even cited as a political tool in Turkey's state elections this year.
If you haven't already tried Agar.io, you can play it for free in your browser right now. To learn more about the game, though, you can always Google it — just like everyone else seemed to in 2015.
Check out Google Trends' full list of the year's most searched for games below.
For those most invested in the quantitative analysis behind this, the Google Trends website also allows you to go in-depth with the year-end list data. Each individual game can be expanded to show which states and countries were looking up the title the most, as well as when and which specific search results topped the engine's results. You can even sort by the type of search engine used.