I made a list of my 12 favourites civs I like to play against and make some lore and roleplay with them: Kongo, Maoris, Mali, Canada, Mayas: I really love any assymetric gameplay. Anything that impairs you in a way is good for me, especially because it often comes with nice, unusual and strong bonuses. Morover: I love to imagine my Kongolese eating artifacts, sculptures and relics for breakfast and making my museums really the powerhub of my cities; Venice was my favourite Civ V civ so Mali automatically comes to mind; Starting on the Ocean and the kind of "relaxed, ecofriendly" gameplay of Maoris reall forced you to change everything you thought about; I find the Observatory much more engaging that the Seowong in term of alt-campus, and I usually spam farms in every game so here with the Mayas I really have the incentive to do it and rack massive bonuses; I love making big strong cities in the Toundra where I'm left alone and nobody would attack me for my pacifists plays. Also, since I love spamming farm, having the ability to "dress" my tundra is of utmost satisfying. Hungary: from the civs interacting with city-States (Greece, Georgia and, to some extent, Sumer), Hungary is the one I found most satisfying. You really use the city-States, it's not just passive bonuses. Plus it forces me to have a more agressive gameplay, something I usually do not. And, as a city-planning slut, I love having my cities neatly developping around rivers. The thermal bath is also a nice addition and I love having to chase geothermal fissures, not for science, but for happiness. France as Eleonor: the snowballing game of capturing every city while avoiding every war is just so satisfying to pass upon. I loved my games where I disabled every victory condition except Domination and just went straight for culture, gobbling everyone and being very satisfying. Scotland: Having to gain science through happiness is for the best roleplay I did. One of my best victory was having seven cities, all in the perimeter of my Colossem, and just going thought science and production without any problem. I never use the LUA but Scottish Enlightment is just too good. I also find gold courses neats. Sweden: I pretty much always have Sweden in all of my games for the Nobel Prizes. Also, having science, culture, diplomacy and great people tied together make for a nice gameplay. Netherlands: If it wasn't for the polders, I would have choosen Dido for my coastal favourite civ. But, you have to admit, the way polders dress the coasts and lakes is incredibly satisfying and pretty much orgasmic. Plus Grote Rivieren is nice, especially for Theater Squares. It's usually difficult to go up for adjacency bonuses for them but you don't even need a Wonder to start racking the sweet, sweet culture... Arabia: I loved playing scientific and I loved how Saladin mixed religion and science. They may have been outclassed now by other civs, but they really have a sweet place in my heart. Incas: have I said I'm a city-planning slut? Have I said I love my polder-porn? Well, it's pretty much the same, but in mountains. Spamming terrace farms makes your empire looks so much cooler. And all the bonuses are always sooo strong. Also, one of my funniest play was playing the Incas and trying to discover the Wheel the latest possible (for stupid RP reasons of course). I made it to the Industrial or Modern era if I record correctly. Terribly fun.