This is a guide that will walk through the location of all artifacts and maps.
1-2 Abandoned Mine Map
By collecting this map, you will unlock all of the levels to the Abandoned mine.
Obtain the pickaxe at the top of the map, next you will head toward the right-most star, once you have collected it, head straight up into the broken stone and you will find the secret passage that leads to the map,
1-6 Artifact
1-10 Artifact
For this artifact, you will need to complete the level as normal, however, before using the key to go through the tunnel at the bottom of the map, there is a broken stone to the right of the bottom-right most star.
use the wall to line yourself right above the cracked stone, and go straight down, you will break through 2 walls, and have access to the tunnel that will lead you to this artifact!
2-3 Lost Temple Map
2-5 Artifact
For this artifact you will need to visit the Temple. on level 5, at the bottom left corner of the map. you will need to grab the pickaxe in order to break the cracked tile between the spikes. once you break the tile, its pretty straight forward. you will need to break the tile by positioning yourself on the ladder above (located in the bottom middle of the map in the room with the torch), go straight down, go left, then immediately down again.
2-9 Artifact
3-2 Dormant Volcano Map
After breaking the block, you will go back and forth through the tunnel lowering the water level in order to reach the map.

3-5 Artifact
3-13 Artifact
In order to obtain this artifact you will need to cycle around the level using the green portal until you have made it onto the block right above all of the tools while also holding the pickaxe.
At this point all you need to do is go left to break the block, then go down into the tunnel.
4-2 Treasure Island Map
This find is by far the most complicated so far. First, on the middle level, use the tools to destroy the torch and shovel blocks. next, break the axe and shovel blocks in the tunnel going toward the bottom of the level. Once you get to the part going around the side you will find the cracked sandstone tiles, make sure you have broken the shovel blocks.
from here, go down to break these blocks and it will reveal a large passageway. first and foremost, the map is blocked by a keyhole, and in order to get the key you need to go to the breakable sandstone tile in the corner to lower the water. after lowering the water, go to the bottom of the tunnel where you can go up to grab the key. Navigate back to the keyhole where the map is and collect it.
Thanks to master thug shaker for his excellent guide, all credits belong to his effort. if this guide helps you, please support and rate it via Steam Community. enjoy the game.