 If you liked
Kaiba
|
 ...then you might like
Summer Wars
|
Both of these takes place in a fantasy sci fi esque world with different creatures/advertars where the main cast have to deal with a mysterious and destructive situation.
Both also have a similar fluidness for its style and comedy scenes together with scenes that older audiences can relate.
The main difference is that one switches between the real world while the other is just purely fantasy