Thor: God of Thunder

First 4 Story Based
(See Flawless defence achievement solution for tips on completing the rest quickly, as if you get that you should finish all of these.)
Jade Crusher - During the hammer throw defence 4 of these will appear. one hit takes them down.
Defender - During said hammer section hit most of the enemies yourself to get this.
Anti-Aircraft - You have to take out all of the assault drills, be aware that they take of at any time so try to avoid long combos.
Rally cry - Free the horn from the ice.
Savior - Use lightning to quickly take out the jotun at the level start and you should save about 9 guys. Then when you have to fight the frost Goliath later, you can save about another 5 if you beat him quick enough. (He kills a guy every minute or so as you fight him)
Protector - The second horn visit. It is possible to finish this section even though you lost the horn so make sure to use lightning to quickly build your rage meter.
Collectables -

1. After the gates are shut head to the right of them. Plain view (Lightning colour)
2. After the jump you will find a save point. Smash the crystals up on the ledge opposite and it will fall down. (Health)
3. After using your rage to smash the red barrier and find Sif, look behind you. (Odinforce)
4. Head to the back right of the palace and destroy the drill. (Lightning colour)
5. Head to the back left of the palace to find it behind the last pillar (Health)
6. After fighting off the Jotun with hammer throws head to the front right, while looking at the jump point, to find the item. (Costume)
7. Behind the horn during the de-icing (Health)(Hard Only)
8. Behind the Horn during the defence, second visit. (Odinforce)
9. During the battle with the frost goliath to save the Einherjar look around the edge of the arena
10. When taking out the attack drills you will need to use a boulder to take out the last 2. The Nut is underneath. (Odinforce)
11. After throwing the bomb it will fall down into the arena. (Health)