Tomb Raider Mine Sweeper Challenge requires you to Destroy 10 Sea Mines on the Shipwreck Beach.
Mine sweeper no.1
Once you descend onto the Shipwrecked Beach via that gondola you will find the first mine to the left, near the rockface.
Mine sweeper no.2
After the first mine you will climb up a staircase into a destroyed bunker and looking at the beach you will see the second mine stuck in the sand.
Mine sweeper no.3
Third mine is in front of the boat that you will be moving with the arrow rope.
Mine sweeper no.4
You’ll find this mine as you try to reach the Galleon to get block and tackle from it. Before you use the first zipline to reach the Galleon you need to look towards the water, south of where you stand, and you will see the mine floating on the water.
Mine sweeper no.5
Once you use the first zipline, taking you to the Galleon, you will find the next mine in the water to your left.
Mine sweeper no.6
You will get the compound bow as you follow the main objective. You will use this bow to create a zipline to a building wreckage. Once you reach this building, in the water to your right, is the next mine.
Mine sweeper no.7
Once you reach the second portion of Shipwrecked beach you will come across a tower with two guards inside. Underneath the tower, in the water, is Mine no.7.
Mine sweeper no.8
Mine number 8 is on a sand ridge in the second part of Shopwreck beach area. You can’t miss it.
Mine sweeper no.9
Following the path from mine no.8 towards the old ship wreckage you will see mine number 9 at the very end of the path.
Mine sweeper no.10
Once you climb the tower in the second section of shipwreck Beach look towards the blue and red ship wreckage and you will see the last mine in the water.