Magicka: The Stars Are Left out now on Steam

‘The Stars Are Left’ expansion pack for satirical RPG Magicka is available now from Steam. It’s priced at £3.99.
A new bundle has also been added, packaging together all Magicka content (including The Stars Are Left) for £19.99.
Set in Vietnam, The Stars Are Left brings a new co-op campaign thread that involves Arrowhead searching the jungle to unlock the secret of the Cthulhu mythos. The official set of features is as follows:

All new adventure including several levels steeped in Lovecraftian lore
2 Challenge maps
2 new robes
2 new bosses
New achievements
Several new enemies
New Items and Magicks
Innovative and dynamic spellcasting system with thousands of possible combinations
Up to four player co-op in all game modes as well as single player option
Experience the parody and satire of a cliché fantasy world

Source: Steam