The basic look of characters can be altered like face type, scars, tattoos, clothing, etc. as well as weapon load - outs for the different classes. (thatvideogameblog.com)
Despite the generic look of the characters overall, the enemy designs can be wild and intimidating, especially some of the alien bosses. (flickeringmyth.com)
I loved the flat, 2D look of the characters and backgrounds, and the game just looks really cool in motion. (shortpause.com)