The animations, while of high quality, significantly detract from the gameplay.
The only difference between easy and hacker seems to be how much the "IDE" helps you with the commands. This is a pretty lame distinction. The difference should be in ability to define subroutines or specify "threading" interactions between the two bots or some other meaningful gameplay change.
There are some who call me, Tim about Code Warriors: Hakitzu Battles - learn to code through robot arena combat