Looking for search keywords of game technology.

My mind is blank at the moment. I have almost finished my beer. I am hungry. I am going to warm up some spagethi.

I am looking for keywords so I can look for java source code that I can then read through.

List :
Destructable terrain
flood fill path finding
flood fill
physics 2d
airplane flying 2d
explosion effect
fire 2d
http://dwcope.freeshell.org/work/2d/javafire.php
water 2d
real time strategy game
particles 2d
map scrolling game

Well