All 20 goats will be spread out across the map and some are impossible to obtain past certain points of the game. The goat locations are as follows:
1. Graveyard
The first goat will be found next to the graveyard in a shrine, it is very hard to miss.
2. Church
The second goat is found near the first goat, make your way to the church and look to the roof to find the goat.
3. Fallow plot
The third goat is in the fields near Luiza's House, to find it, head towards the north side of the fields and then proceed east (into the blackened part of the map) the goat will be at the top of the stairs on top of the wall.
Castle Dimitrescu
4. Vineyard
This goat is easy to miss as you don't come back here so make sure you obtain it. When you reach the vineyard (the area where you meet Duke) it will be on the far side of the area off the path. It will be on some rocks.
5. Distillery
After you climb down the ladder, the goat will be right in front of you by some candles.
6. Attic
When you reach the attic the goat can be found in the north-west corner of the room, right behind where you climbed up.
The village 2
7. Lone road
At one point you will cross a bridge and see a detour with another bridge you cannot lower, head behind the stairs leading towards the bridge and inside the room lies the goat.
8. Church/Graveyard
At this point you will have the iron insignia key, if you head towards the east side of the church there is an iron insignia door, head inside and check the southern side of the graveyard for the goat hiding behind the crypt.
9. The luthiers area
When trying to find the red chimney house you will come across the gate that you passed during the intro now has its lock revealed, destroy the lock and proceed into the area with the two buildings, on the shed roof next to the yellow box you can find the next goat.
House Beneviento
10. The porch
When you reach house Beneviento head to the left of the porch instead of going inside, once you are in the little area past the porch there is a goat sitting behind the fence.
11. Destroyed bridge
When going to or from house Beneviento to will have to cross a not very secure bridge, however if you glance to the other, destroyed bridges there will be a goat sitting in the middle
Reservoir
12. The chase with Moreau
When navigating the roofs of the flooded area you will come across a blue orange white tape puzzle, then if you look towards the northern sluice gate the will see a goat balancing on a pole (sometimes the rendering of the goat can be off)
13. The windmill
Once you approach the windmill for the first time you can find this goat by heading around the windmill to the other side of it, there will be a few logs and on the floor will be the goat.
14. After the boss fight
Once Moreau has been dealt with, make your way back out to the area where you first took the boat and you will now be able to walk down a path to where some fish are at, the goat itself can be found right next to the broken windmill.
Stronghold
15. Otto's Mill
Instead of going up the stairs after the 6 winged door, head to the bushes on the left and you will be able to reach a new area with a Mill and stream, for this goat head underneath the Mill and approach a shrine like from goat 1s location,
the goat will be here.
16. Stairwell
After running through the hordes of lycans (or killing) you will reach a stairwell, head to the bottom of the stairwell and next to the wooden pallet on the ledge will be the goat
Heisenberg's factory
17. Elevator shaft
After you reach B3 and power the elevator if you look up the elevator shaft you will see a goat on the steelwork with the first row of steel after the X pattern (alternatively you can get it whilst traveling from B3 to B1)
18. Grinder shaft
After the fan explodes head to the south side to find a goat and some metal scrap.
19. Office
After taking down Sturm and reaching the office, there will be a vent near the table with the cigar, through this vent will be a secret room with a goat.
Megamycete
20. Once you defeat Uriaş Străjer (Mace wielding Big guy) and find the megamycete, the final goat will be out of bounds to the right side of the room next to a statue.
Once all 20 are destroyed you will get a bronze trophy and the ingame challenge 'heretic' will be completed.