For Rusty Gun players, this is an 100% achievements guide for Rusty gun and includes screenshots for hidden posters in game as well, let’s check it out.
Achievement guide mostly created for showing locations of Hidden Posters as those are not that easy to find.
This can be done right away in Level 1, just go to the left when you start.
Like description says, 100 bottles of beer (might be necessary to do it in one session)
In level 15 after defeating the boss, shoot him a bunch of times
In level 16 hold left and keep on shooting the guy until the submarine sinks.
Defeat boss in level 3
Defeat boss in level 7
Defeat boss in level 12
Defeat boss in level 15
Defeat boss in level 17
In level 3, after 1st checkpoint, near long ladder where 2 shooting heads are attached to thick wall. Jump from top and hold right
In level 5, after a checkpoint, to the right side of the 2nd enemy with shield (before enemy with a gun)
In level 7 right after 1st checkpoint, behind shooting head and below spikes
In level 9 pretty close from the start, after pressing first button keep on going right until you find a wall with a button above it
In level 11 above the room with 2 doors, after you access the left door (before 3rd door)
In level 13 right after place where you have to bounce up with “snow”, to the left of the ladder
In level 17 from the start going to the right and up, hidden behind 2 beers (near first button)
In level 17, after passing first doors going to the left and up, next to another button
You will get it when getting last poster