Skyrim on 360 was something like 4GB, thanks to extremely overcompressed dialogue. MGS IV was somethinglike 20-25GB thanks to actually not compressed dialogue.

Then theres stuff like prerendered cutscnenes etc.

I'd guess that Splatoon has little to no dialogue and no prerendered cutscenes. Should solve like 90% of that riddle.

This is hard to believe, honestly. Read that size last night and almost thought I had dreamt it up. "Mario Kart 7" is almost that size, which leads me to believe the campaign won't be very long. As long as the multi-player is excellent, I'll be happy.

Donkey kong country returns is 10 times bigger then splatoon :O

I really doubt that this means it's lacking in content, considering SM3DW and WWHD are around that size yet they are still pretty huge games.

Woah.

Size doesnt always have to say how much you are going to play a game. For example he order 1886 was 38 GB while Bloodborne is ~30GB after the patch. I am still havent beat bloodborne while i platined the order in my first playtrough

This post has sense.... It will be ignored.

This means the game won't have a lot of useless cutscenes. Good.

You don't like +20 minutes cutscenes, Pavo?

No, I prefer 20 cutscenes of 1 minute each one. Each cutscene after I clear a short corridor.