If you’ve just begun to navigate the Treacherous Mansion’s expansive E-tunnels you’re probably wondering where those precious Gems are hidden. Fear not (well, fear a bit, there be ghouls aplenty) as we’ve got you covered once more with another extract from our official eGuide.
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| Gem | Location | Mission | Notes |
|---|---|---|---|
| Round Diamond | Underground Lab | E-1 Front-Door Key | Spin the wheel to zap the armor, then launch the helmet at the glass jar on the wall. |
| Trillion Diamond | Haunted Catacombs | E-1 Front-Door Key | Burn the webs in the second half of the Haunted Catacombs. |
| Baguette Diamond | Cliffside | E-1 Front-Door Key | Reach the Cliffside’s B2 level and vacuum the Gem down from the vine. |
| Football Diamond | Front Entrance | E-2 Double Trouble | Reveal and A-Pull the missing chain attached to the gargoyle, then open the safe under the stairs. |
| Drop Diamond | Restrooms | E-2 Double Trouble | A-Pull the chain in the west half of the Restrooms. |
| Pebble Diamond | Gargoyle Roof | E-2 Double Trouble | Launch the stars into the constellation’s empty slots. |
| Rhombus Diamond | Ancient Exhibit | E-2 Double Trouble | Water the sprout near the door, then flash the purple flower. |
| Star Diamond | Aviation Exhibit | E-3 A Train to Catch | A-Pull each of the hot air balloon’s sandbags. |
| Octagon Diamond | Nautical Exhibit | E-3 A Train to Catch | Open the chest at the end of the pirate ship. |
| Oval Diamond | Dark Age Exhibit | E-3 A Train to Catch | Place the blue book from the Front Entrance into the slot on the bookcase. |
| Spindle Diamond | Jungle Exhibit | E-3 A Train to Catch | Use the gold bulb to collect the coins that appear, then open the revealed chest. |
| Coffin Diamond | Ice Age Exhibit | E-3 A Train to Catch | Use the gold bulb to collect the coins that appear, then open the revealed chest. |
| Mushroom Diamond | Train Exhibit | E-3 A Train to Catch | Reveal the missing piece of the track, then ride the train around the room. |
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