I came across this recently and it's a really cool idea, I think it's powered by AdventureGamers.com's database. It's a bit "guess it in one" or "would never have got it" but it's still a nice concept.
Basically you have to guess the adventure game from the screenshot, if you fail you get another screenshot, up to 6. It autocompletes game names so you don't have to worry about remembering spelling / exact wording.
Only been playing it for 5 days - twice got it in one, twice failed completely, once got it in 3 (knew the character name but not the specific game).
https://pointandclickle.com/