* (asterisk) character 57
2D graphics setup 104–109
displaying sprites 107–108
preparing projects 105–106
switching cameras to 2D mode 108–109
reacting to clicks 110–112
displaying card images 112–118
instantiating grids of cards 115–116
loading images programmatically 112–113
matches in card games 118–122
comparing revealed cards 119
hiding mismatched cards 119–120
storing revealed cards 119
calling LoadScene 125–126
programming UIButton components using SendMessage 123–124