Zombie Shooter 2 Campaign Level 3 (Observant Skill)

I found all the secrets so you can use it as reference. Don't forget to rate and comment. ;) Secrets: 1/9 at 1:01 2/9 at 1:35 3/9 at 3:38 4/9 at 3:51 5/9 at 4:10 6/9 at 4:32 7/9 at 6:01 8/9 at 6:26 9/9 at 7:08