Quick guide to getting the 'ALAN!!!!!!' achievement

1. Hidden in the skills2. Hanging on a rope3. Go down steps on your left and you’ll find one mid-way4. Turn right, you’ll find one hidden in the boulder5. Jump off and there’ll be one hiding in the trees6. Look right and one is hidden in the rock wall7. Traverse along the beach and you’ll find one sitting in a cage8. And another hidden under a broken cardboard next to the beach trader9. A sneaky bugger hidden amongst medic boxes10. One on the shores next to the plane crash11. Go up the steps and there’ll be one between 2 trees12. Travel to a trader in a cave and one will be hiding in the wall13. Up the steps to find one resting on top of a rock14. Turn around and you’ll find another nested in a tree15. Head down towards the water and there’ll be one semi-floating next to rocks16. Once you come across a set of worn out doors, another will be hiding behind it17. Turn around and you’ll find one at the top of the steps18. There’ll be a tall pillar/structure nearby, head towards it and you’ll find another resting right at the top19. Look right and another volleyball will be on the ground20. And another on top of a boulder21. Jump off and you’ll find another between 2 boulders22. A wall nearby covered in foliage is where you’ll discover another, switch on your flash light if you don’t find it23. Head towards the beach and a huge boulder will hide another collectible24. Turn back and walk towards a cave filled with medic supplies, a volleyball can be found hidden in one of the open medic kits25. And another across the cave on the ground next to 2 unopened medic kits26. Go past the worn down door and another will be hiding in the wall27. Go back into the cave and out the other exit to find another on the ground, in the bushes28. Continue on the path and you’ll find another volleyball resting on the rock near a set of small steps29. There’ll be another conveniently resting in the leaves in a ‘window’ opening to the medic cave30. Turn around and follow the path to find the last collectible resting behind a tree on your right.THAT'S IT! Congrats :) Remember, you just need 10 of these to get the achievo.