Compared to the Strange Inscriptions in the Vatican and the Stelae in Gizeh, the Khmer Cogwheels in Sukhothai are the easiest of the regional collectibles to find inIndiana Jones And The Great Circle.After all, you can often find several of them in one place, and Sukhothai is smaller than the other two regions so you have to do less exploring.
However, the Cogwheels come with an added twist; to get the full reward for finding them - including several Ancient Relics and the Gearhead Achievement - you need to solve several puzzles as well. Here’s how to do it.
Remember toalways take the Cogwheels with youafter solving a puzzle. You need all of them for each successive challenge, and forgetting them means you’ll have to backtrack.
Hidden Pyramid Cogwheel Puzzles
Required Cogwheels: 3
The first two Cogwheel puzzles are part of the main story, and take place in the same room. While it is possible to go around collecting the other Cogwheels and do the other challenges first, it’s best tovisit the Hidden Pyramid, get the three Cogwheels there, then do the rest of the puzzles before returning to Sunan.
A full guide for finding and operating the Gear Trains can be found in ourHidden Pyramid walkthrough.
Each puzzle room from this point forward will haveone or more Cogwheels on the ground or in the gear train.Make sure you collect all of them!
Waterfall Ruins Cogwheel Puzzle
Required Cogwheels: 4
The Waterfall Ruins aresouthwest of Wat Sa Si. The easiest way to get there is either totake the boat up the river in the middle of the map’s western edge, or take the bridges from the island between Wat Sa Si and Wat Mahathat. In the latter case, the road goes by a small enemy outpost but is otherwise pretty straightforward; you can evensteal a Medicine Bottlefrom the fascists on your way in or out.
This is one of the more straightforward puzzles.Place a small cogwheel to the left of the main gear at the bottom, thenanother small cog above that.Put alarge cogwheel to the left,then thesecond large cog directly above.Finally, create another stack of small cogwheelsto the left of the large cogwheels, completing the train to the second main gear.
Puil the nearby lever; if your configuration is correct, the gate will open, letting you take the Ancient Relic inside.
Remembr, cogs can only turn each other if they aredirectly adjacent, either horizontally or vertically.
Village Cogwheel Puzzle
Required Cogwheels: 5
To reach the Village Cogwheel Puzzle,start from Tongdang’s shop. Sail southeast in the boat andlook for a stone wall with a hole at the bottom.You won’t be far from the shop, so if you can’t see the back of it you’ve gone too far.
Equip the Breathing Device and dive under the hole in the wall.Remove the wooden beam blocking your wayand swim through. Before you surface,check the riverbedfor some sunken coins. Once you’re on land, the chamber with the puzzle is directly ahead.
This puzzle is tricky as itrequires you to use the outer gears to create separate trains.The starting gear is on the bottom right:place a large cogwheel aboive it, then a small cogwheel to the left, followed by another large cogwheel. This will create a gear train to thebottom-center gear with a white marking.
Before continuing,pull the leverto make sure everything is working properly. All the gears at the bottom should turn, as well as thegear in the upper left, which is also marked with a white symbol and powered by the matching cog.
Place the remaining large cogwheelto the right of the top-left gear, then use your remaining small cogwheels tomake a horizontal lineto the moss-covered gear in the top right. This will complete the mechanism, allowing you to open the gate and collect the relic.
Wat Mahathat Cogwheel Puzzle
Dock northeast of Wat Mahathat and make your way south through the camp; the puzzle chamber isnortheast of the map’s southernmost restricted area.Getting there is easiest if youhave the Royal Army Uniformfrom Voss’s camp.
Thethree vine-covered gearson the left side of the mechanism are functional, butcan’t be moved.You can use them to connect the two halves of the gear train.
Start at the top, placing asmall cogwheel under the main gear.Place another small cogwheel, followed by a large one, to the left, creating a chain to the topmost of the green gears.
Next,connect a small cogwheel to the bottom green gear in the only available slot(the second from the bottom), then place another small cog under it. Put a large cogwheel in the space to the right, bridging the gap, then work your way upward witha small cogwheel and a large cogwheel directly above.Finally, set the last large cogwheelbetween your most recent placement and the main gear on the right side. Pull the lever to complete the puzzle.
Wat Si Sawai Cogwheel Puzzle
Required Cogwheels: 6
This chamber iswell-hidden behind Wat Si Sawaiin the southwest corner of the map. If you haven’t alreadyrescued Aran, it’s best to complete this puzzle at the same time so that you don’t have to come all the way back.
When you enter the temple, there will be aroom full of sleeping enemies on the left.Defeat the heavy (the only one who’s awake) and make your way to the far side andfollow the pathto the rear of the building. When you reach the water,keep going clockwisealong the shoreline to find the puzzle chamber.
This puzzle is deceptively simple - it just has a high cogwheel requirement and several red herrings to ignore. Start bymaking a row of three small cogwheelsabove the bottom-left gear. Place a large cog above the rightmost in the row, then connect asmall cogwheel followed by a large cogwheelto the right of that. Finally,connect two small cogwheels upward to the green gearthat powers the main cog in the top right.
The green gears at the center right and bottom right are not used.
Hidden Platform Cogwheel Puzzle
Required Cogwheels: 7
Take the boat southeast of Voss' camp andlook for a large metal containersubmerged in the water. Just south of that is astone wall with a hole that you can swim through.Do so, thenfollow the path uphillto the puzzle chamber. When you’re done, you can justjump back down into the waterand swim to the boat.
The gear in the center iscompletely non-functional, overgrown as it is with roots. If the gear train is connected to it,the entire mechanism won’t work; you won’t even be able to pull the lever. This means that you need toavoid connecting to the two small green gears to the left of it, as well.
To begin,place a small cogwheel on the right side of the row of green gearsat the bottom of the puzzle. Next,place a large cogwheel in the bottom-right corner, continuing the chain. Make a train upward to the top-right corner witha small cogwheel, a large cogwheel, then another small cogwheel.
From there, make your way left usinga small cogwheel, then two large cogwheels, then another small one. The large wheels will look like they’re touching the broken gear, but since they aren’t directly adjacent they’re fine.
Finally, make ahorizontal row of two small cogwheelsunder the leftmost gear that you just placed, connecting to the small green gear that powers the main cog on the left.
River Bank Cogwheel Puzzle
Required Cogwheels: 10
The final puzzle chamber is on a riverbanknorth of Wat Chana Songkhramandeast of the entrance to the lagoon leading to the Hidden Pyramid.There isn’t a dock, but you’ll be able to see a shore that you can easily disembark to from the boat.
It’s only about midway up the river on the north-center part of the map; if you go all the way north, you’ll find aback entrance into Voss' campthat could prove useful.
This puzzle requires youtousewhite-glyph gearsandavoid some particularly ill-placed broken ones, and requiresall ten small cogwheelsfrom around Sukhothai.
The main gear at the bottom-left has a green gear already attached to it.Place two morein a vertical line above it, then put alarge cogwheelto the left of the top one. Putanother vertical line of small cogwheels above the large cogwheelto connect the train to the white glyph gear, all while avoiding the broken cog at the top.
This is a good time topull the lever and check that everything is working.
Place alarge cogwheel below the other white glyph gear, at the top-right of the board. This will power the small green gear to the left; from there,make a vertical line consisting of a small, then a large, then another small cogwheel.
Finally, place small cogwheelsmoving to the right and downuntil you reach the bottom-right main gear with your last cog. The whole thing requires very precise placements, so if the mechanism doesn’t work,double-check everythingfrom bottom to top.
Solving all of the Cogwheel puzzles and collecting the Ancient Relics they protect will unlock theGearheadAchievement.
