Jump the gap, climb down the ladder and drop onto the movable block. Pull the block once to the left. Then continue to the left and drop down onto the ledge below.
Climb up next to the crumbling stone wall on the left. The '?' icon appears, indicating Lara can use an item here. Press Action to access Lara's inventory. Select the dynamite and press Action again to use it. Then quickly press Right to hop down onto the ledge below before the dynamite explodes. Enter the alcove and get more dynamite and the Ornamental Scepter (CX6840).
Exit the alcove and stand just below the thin ledge with the movable block on it. Step to the right edge and when the moving block comes near press Action ONCE to jump onto it. Ride the block to the right and then press Action once more to jump to the other side. This must be timed carefully to avoid falling into the spikes.
Climb onto the ledge above. Walk to the left edge and jump the gap. Now you're back next to the block you moved earlier. Climb onto the block to reach the switch (S1). Use it to open a door (D1) above.
Drop down onto the movable block. Climb back down on the right side to the spike pit. Ride the moving block back to the left and jump to the ledge. Climb back up to the same movable block. Push it back to its original position, below the ladder. Climb the ladder to the top.
Go to the left, through the passage opened when you used the switch. Climb the stairs and walk to the edge above the spikes. When the moving block descends, jump onto it. Step to the left edge as the block moves upward. Jump to grab the ledge on the left; pull up.
Climb the ladder. At the top, turn right, crouch and draw pistols. Press Action to shoot the snake on the next ledge. Jump across the gap, continue to the next room on the right, picking up a medikit (GN9500) on the way.
Here there are 3 movable blocks, which you must stack in order to reach the ledge above. First climb over the blocks and ledges to the far right corner. Push the lowest of the three blocks all the way to the left. Climb back over the ledge to the first (middle) block and push it to the right so it ends up on top of the lowest block. Finally, climb back up to the highest block and push it to the left so it ends up on top of the other two. Climb onto the blocks to reach the exit.
Climb down the ledges until Lara is level with the red switch (S1). Shoot it to start a platform moving below. Hang from the ledge and when the platform moves under Lara, drop onto it. Step to the right edge, then when the platform moves to the right, jump over the spikes to the ledge.
Climb down the ladder and drop to the floor below. Lara will lose some health. If you don't have enough health to survive the fall, you'll have to go back to the main menu and replay level 3, taking care not to lose too much health there, so that Lara starts level 4 with full or nearly full health.
After dropping from the ladder, go to the left. Stepping on the pressure pad (P2) on the ledge causes darts to fire out of the carved head. So don't do that. Instead climb onto the movable block, step to the left side, and jump over the pad to land near the medikit. Then jump back over the pad.
Push the block all the way to the right. Climb onto it and jump to grab the next ledge. Pull up and climb down the ladder and drop to the floor.
Use the switch (S3) to open the door (D3) blocking the exit. Before the door closes again, quickly run and jump over the flames to reach the exit door. If you don't make it in time, return to the switch and try again.
NOTE ON ITEM & MAP CODES: Each level and item has a code, which can be found on the map screen or item info screen. Once you have a code, you can enter it on a page at the Tomb Raider Mobile or Eidos Mobile UK web site to access a level map or detailed item information. My walkthroughs include all of the item info, as well as my own maps, which are a bit more detailed than the unlockable ones.
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