These are some games that go along with ordering, comparing, and using integers and rational numbers.
http://math-play.com (Go to Math Jeopardy on the left side. Go to Comparing Rational Numbers. Do not go to the Integers Jeopardy Game because it is adding, subtracting, multiplying, and dividing integers.)
http://aaamath.com/B/g65_cox1.htm (This includes some comparing absolute values.)
http://www.sheppardsoftware.com/mathgames/integers/mathman_integer_numberline.htm (Like Pacman on a number line.)
http://www.sheppardsoftware.com/mathgames/integers/mathman_integer_parse.htm (This is like Pacman. You must eat the ghost with the number that matches the situation.)