I like the faces from hexatar.com. I generally like the graphics of the game as they are simple and have a flat style. The game is also easy to play, and the concept is exciting and funny! Excellent orientation, ideal for playing mobile games using one hand!
Just a heads up that the site mentioned seems to go to a very sketchy website presenting itself as a fake Cloudflare error page, and even has a hard-link to another Cloudflare error page to make it more realistic.
The site you mentioned seems to have been migrated to: https://www.nevacross.com/