Massive downgrade from the main game, the level design sticks largely to big brown interconnected rooms that feel nebulous to explore (thank god for the compass), the new weapons are not much to write home about, the little black hole launcher was fun to use but the rest felt completely inconsequential. Add onto that the enemy placement being hellish, just spamming flying enemies and turrets in almost every room as well as those bullet sponge medics being all over the place towards the end make for an incredibly frustrating experience. I'd also like to mention that the final boss, although I'm grateful it was a new design was incredibly easy in comparison to the rest of the expansion, I beat it super quick without dying and I died a lot with this thing.

I only finished it to get the achievement

A much much shorter but I'd say streamlined version of the game. While not beating out the PC original, the gunplay still feels good and the level design at time works even better due to the changes with the mission system making the levels shorter and cutting anything unnecessary. Undoubtedly too much is cut, and the atmosphere of much of the design is lost due to the different colouring and graphical changes making it a clearly worse version of the game, but it's still really good fun and a different shorter experience that stands on its own