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In the Research and Development, there is a secret pathway located at an area as shown on the map below. To complete this achievement, players require an Oz Kit in order to reach this secret entrance. There will be a hallway visible below from the current players' position according to the map. Simply jump straight down to the aquarium below then propel with the Oz Kit into the entrance as soon as players are above level with the entrance. Once players landed on the secret hallway, they will immediately earn this achievement. To escape the secret pathway, players should simply proceed through the passageway which will lead to an elevator that will transport players back up to the top level.