As mentioned, it's a brilliant game. I would personally say that it's more strategy-adventure than Pikmin is, though. Essentially, you could say that it goes
Real Time Strategy - Pikmin - Little King's Story - Strategy-Adventure
So if it's the Real Time Strategy elements of Pikmin you like, and not the Strategy-Adventure parts, you might not be all that interested in this game. Quite a few people seem disappointed that it's not a pure-RTS game.