Tricky Towers is a fun little game that I have played probably about thirty minutes of. There's undoubtedly so much to this game that I don't even know about, but I have to write today and that thirty minutes was a lot of fun, so I'll talk about the things I do know.
The gist of it is that this game is competitive Tetris without the grid and with magic. If you place something incorrectly it could fall diagonally and guess what? Now you'll have to figure out how to build higher with that piece sitting sideways. It's crazy because this game has some fun physics to mess around with. The towers that you're making must be structurally sound, so be careful to watch your center of gravity and, if you're really masochistic, wind.
This game is up to four players, and you can play a number of different game modes like Race, Survival, and Puzzle modes. As you build your tower, your wizard will gain access to single-use spells, and can use either light or dark magic. Light magic makes building your tower easier. It can make pieces really sticky or give you another piece of land to start building off of. Dark magic makes it harder for other players. You can turn the pieces in their tower into ice, which makes everything slide around everywhere, or make the piece they're currently holding enormous, which makes it hard to place without making anything topple. There's also a single-player mode, but don't buy this game if you have no friends. The competitive party fun aspect of it is the main focus of the game.
This game is a fun local coop, and is a great casual game to play regardless of skill level. It's simple, easy fun, and each round takes about three minutes, so it's easy to switch off, too. A bunch of crazy things can happen, and every round has the potential to be really exciting and nerve racking. One time my brother got one of his pieces stuck, so the base of his tower was pretty much just a singular point. He had no horizontal space to build on. His foundation was a diagonal block. And he managed to win.
So if you're looking for a game that has a winner and loser but has no competitive feel at all, this is a great candidate. It's a lot of fun, and there's stress, sure, but it's good-natured. Nobody is going to walk away with bad blood after losing a three minute round. Nobody is going to avoid playing just because they're worse than everyone else (or at least they won't have any real reason to), and even if you do end up losing a lot, who cares? You're playing to have fun, not to win. And in the end, that's what games are all about.