There's a pattern, but it's so easy that saying what it is would give too much away.
If any of them give you trouble, try just focussing on the first syllable or two of each clue.
1.
solved by cev
2.
solved by radius
3.
solved by cev
4.
cracked by pthagnar (dealer quality software)
5.
solved by cev
6.
solved by cev and nessari
7.
solved by kereb
8.
solved by kereb (also revealed to cev)
9.
solved by cev
10.
solved by cev
11.
solved by cev