First off, I know nothing about a Borderlands game. I just saw a flashy trailer with some promising stars and thought, sure, I'll give it a go.
A bit surprised to see Cate Blanchett in it... could she pull off a badass, wise-cracking bounty hunter? Turns out she could - definitely a strong point in the film. Indeed, there was quite a bit of good acting talent in it - AND Kevin Hart. And yet, somehow it all seemed wasted. (Why did they bother with Jack Black?)
I quickly accepted the lurid art direction - especially after finding out its game origins. And, not having any comparisons to make, was fine with the cast. But what really let it down was the lazy writing.
I'd even go along with the fairly thin, derivative plotline if it was an enjoyable journey along the way. But the dialogue was a string of tired lines trying to be hip and edgy and falling very flat. Clearly this was intended to be action/comedy - and the action was actually ok - but Eli should have handed over some the comedy content to people with the right skills. I get a lot more laughs out of a late night talk show monologue.
So, while it looked pretty cool - and the fight scene using Motorhead's Ace of Spades sounded cool - ultimately, I just didn't get enough personality from any of the characters to care what happened to them. (With Furiosa a similar-looking movie, it gave me renewed respect for George Miller as a writer/director.)