A game that has mechanics of the following games in the pictures below.
to give you an idea, it has to be an strategic game, were you need to think how to beat it. also it is a game of trying different approaches with that in mind you can make an incredible looking game with a ton of useful content.
speaking about UI, the UI of the game needs to be simplistic and also at the same time it needs to be clear. to take a look at the UI here are the fonts that i want to use.
Not only needs the UI to be clear also a logo is needed.
the most important thing that needs to be in the game is that it must be a game were the player can choose to do things, so this logo is the perfect illustration. it shows different ways to get the a certain point. and what you can get out of the title it must be all about creating storys and destroying objects in game.