The Marathon wiki

<noinclude>{{Title|Codex:World/Perimeter/Exploration}}</noinclude>
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| '''Explore Perimeter'''<br>Complete all exploration challenges in Perimeter<br>Unlock: [unlockname] || '''Discover Region: Hauler'''<br>Open containers in Hauler in Perimeter<br>Unlock: [unlockname]<br>[[Codex:World/Perimeter/Exploration/Discover Region: Hauler|Intel: Hauler Overview]]
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| '''Discover Region: North Relay'''<br>Open containers in North Relay in Perimeter<br>Unlock: [unlockname]<br>[[Codex:World/Perimeter/Exploration/Discover Region: North Relay|Intel: North Relay Overview]] || '''Discover Region: South Relay'''<br>Open containers in South Relay in Perimeter<br>Unlock: [unlockname]<br>[[Codex:World/Perimeter/Exploration/Discover Region: South Relay|Intel: South Relay Overview]]
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| '''Discover Region: Overflow'''<br>Open containers in Overflow in Perimeter<br>Unlock: [unlockname]<br>[[Codex:World/Perimeter/Exploration/Discover Region: Overflow|Intel: Overflow Overview]] || '''Discover Region: Station Open'''<br>containers in Station in Perimeter<br>Unlock: [unlockname]<br>[[Codex:World/Perimeter/Exploration/Discover Region: Station|Intel: Station Overview]]
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