Bundle Stars is back with another incredibly cheap collection of indie games celebrating... um... things. The Abstract Bundle packs together ten different Steam games of varying genres and styles, but the important part is more than half of them have co-op!

All things bright and beautiful, all creatures great and small - are available in the latest Humble Bundle Weekly offer.  Purchase the pack for more than $6 and you not only get a bunch of solo games to play via Steam, but also PixelJunk Monsters Ultimate and Critter Crunch.

PixelJunk Monsters Ultimate has worked its way from PS Vita / PS3 to Steam, bringing with it all the rock monsters, annoying bumblebees, Tesla towers and upgrade dances. It stands out as a solid co-op experience with a few drawbacks, but it's still the best version of PixelJunk Monsters Ultimate we've seen.

Though nowadays, Q Games' PixelJunk titles are well-known as a quality set of quirky little indie games, it wasn't until their second game, PixelJunk Monsters, that they became more of a household name. Today we're going to check out its latest port, PixelJunk Monsters Ultimate HD for the Vita....