Once the game starts, the pig will be moving.
When the pig falls outside the screen area, game over.
When the pig hits obstacles (long pipes on the top and bottom / black
small rectangles), game over.
When the pig hits white medium rectangles sometimes, get +100!
Desktop :
use UP and SPACE keys to jump up.
use RIGHT key to move forward faster.
use LEFT key to lower speed.
use DOWN key to jump down.
Mobile :
touch screen to jump up.