Where to Find All of Dr. Gurgula’s Hidden Transmissions in High on Life 2

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High On Life 2 features several callbacks, hidden Easter eggs, and characters from the first game, especially some notable Gatlians. There’s also a secret achievement or trophy called “Dr. Gurgula Will Return,” which involves discovering three hidden transmissions from Dr. Gurgula spread throughout the game. Two of these transmissions are tucked away during bounty missions, making it easy to overlook them, so missing any of these clues means you might not unlock the achievement unless you start a new game.

To get the “Dr. Gurgula Will Return” achievement without missing anything, you’ll need to find all three transmissions in one playthrough. The locations are:

Wyoming, during the “Rescue Your Dad From The Cult” mission.
Pinkline Harbor, during the “Kill Scientist Professor Berkel” mission.
Northern Circuit Arcadia, which can be visited anytime, even after finishing the game.

The first two transmissions are tied to specific missions and are easy to miss. The third transmission requires solving a clever puzzle involving Sheath.

First Transmission – Rescue Your Dad From The Cult
You find this halfway through the mission, back in the cult’s main building after freeing your dad. After fighting your way through enemies and reaching a mini-boss with a large red health bar, defeat the mini-boss but don’t leave through the broken window yet. Instead, turn around and look for a vent in the corner of the room on the left side. Jump onto the nearby bookshelf and use it as a platform to reach the vent, which leads you into a secret room. Inside, activate Dr. Gurgula’s transmission to unlock this message.

Second Transmission – Kill Scientist Professor Berkel
This one appears during the mission at Pinkline Harbor when you’re investigating Gessie. Proceed through the initial part of the mission until you reach the research area. Cross the tent on the far side, adjacent to Gessie’s head. You’ll activate a generator on the left just after entering. Follow the green wire on the ground to a hidden tent closer to Gessie. Enter this tent and activate the transmission.

Third Transmission – Circuit Arcadia, Anytime
This transmission can be accessed any time, even after completing the game, but involves a more complex puzzle. Head to the northern area of Circuit Arcadia where a vehicle is pushed against a wall. Use Travis and Jan’s Trick Shot ability to elevate the vehicle, creating a pathway into the building. Inside, solve a Lugblob puzzle: use Gus to flip panels and access hidden electrical parts. Grab and place Lugblobs strategically, tethering them to power coils and wires following the puzzle’s steps. Successfully completing this puzzle reveals the final Dr. Gurgula transmission.

Once you’ve interacted with all three transmissions, you’ll earn the “Dr. Gurgula Will Return” achievement. If you miss any of the first two transmissions, you’ll need to start a new game to collect them all and unlock the trophy.