amazons and candy world, hyper fiesta is good too
The best CP you've played

One Piece War, Gustav Riffle as WOF
Antitower, AntiWall as Team Antichess NCP
XFileX as FFA Antichess NCP
Master Hunt, Pawn Cramp, Soldiers And Knights as FFA NCP
Blind Box, The Center as Team NCP

Well, you can't really rank best CP without a criterium... so:
Most Complex FFA: Labyrinth 82, Unique, and Typhoon
Most Complex Teams: unfortunately these tend to be declined (like the center for example) but for accepted ones definitely Secret Archers, with The Desert as second
Most Fun FFA: Master Hunt 1|0, Hunt of The Hawks 3/4|0
Most Fun Teams: again only considering listed ones, Partner Trust, far second King Safety
Most Fun Hyper: The Colosseum (sorry but hyper fiesta is old so only second, old variants tend to be less fun)
Most Underrated FFA: Arena of Warriors, it's more fun than legends but no one plays it
Most Underrated Teams: Wazir of The Hill, pretty fun, have not seen it played once since it was accepted.
Most Fun WOF: Tie between The Hedge Maze and Dance of The Grasshoppers
Note: War For Throne II. Why do people like this variant? I don't understand why you would shuffle kings for 200+ moves... there's no depth, you just try to take the center (unless you are playing for 2nd, in which case you just trade everything). The tactical possibilities are extremely low until the very ends of the game. Can anyone convince me that this is a reasonable variant... (I feel like most of yall only play WFT for rating) and I don't mean hyper since it's okay for hyper games to be really boring.
I like my own games, one got removed because it was too old, it was called, "Why so symmetric." Very chaotic.
Gustav's Box or Max's Game.
I'm a big fan of the variants like this