for instance Arduino, you would need atleast 6 I/O pins to talk to the LCD. However, if you use an LCD module with I2C interface, you only need 2 lines to process the display information. Now a days, ...

For all the Arduino-based video game builds we’ve seen, we’re really only ... of Half-Life. The hardware [Reimecker] used is a regular ‘ol 8-bit Arduino with an attached LCD touch screen ...