Alterra Bases
Category: Structures Type: Alterra Bases
Alterra Bases are Seabases utilized by the Sector Zero division of Alterra. They are set up in various points of interest in order to study the environment, as well as any Architect activity in the area.
Bases
| Image | Name | Description | ID / Coordinates |
|---|---|---|---|
 | Delta Station | A base located on Delta Island dedicated to maintenance of the Communications Tower. | deltabase |
 | Omega Lab | A research base in the Lilypad Islands. | outpostomega |
 | Outpost Zero | A large research base focused on studying the Architects. | outpostzero |
 | Parvan's Bunker | A bunker located in the Glacial Basin made by Parvan. | glacialbasinbunker |
 | Phi Excavation Site | Excavation site located in the Glacial Basin. | frozencreature |
 | Phi Robotics Center | Robotics lab located in the Glacial Basin. | hoverbikebase |
Tech Sites
| Image | Location | Contents / Notes | ID / Coordinates |
|---|---|---|---|
 | Twisty Bridges | Habitat Builder Fragment, High Capacity O₂ Tank Blueprint, Wall Locker, Window | twistytechsite2<br>-252 -124 -248 |
 | Delta Island | Abandoned PDA: "Cargo Rocket Seatruck Dock - Zero Sector", Bench, Coffee Vending Machine, Desk, Floodlight, Light Stick Fragments, Trash Can | -139 3 -575 |
 | Delta Island | Abandoned PDA: "Emmanuel's Special Request", Mineral Detector Fragment | rocketarearockcave<br>-236 31 -730 |
 | [Arctic Spires](/wiki/arctic-spires) | Abandoned PDA: "Thumper Batteries", Abandoned PDA: "Tunnels", Data Box: Thumper, Light Stick Fragments | -1337 38 -265 |
 | Glacial Basin | Data Box: Snowfox Jump Module | -1510 11 -1043 |
 | Twisty Bridges | Data Box: Rebreather, Desk, Light Stick Fragment | twistytechsite3<br>-371 -171 -318 |
 | Emergency Supply Cache | Abandoned PDA: "Recorded Conversation - Samantha Ayou and Fred Lachance", Light Stick Fragment, Mineral Detector Fragment | emergencycache<br>-590 -33 25 |
 | Shallow Twisty Bridges | Beacon Fragment, Light Stick Fragment | twistytechsite1<br>-131 -55 -175 |
 | Shallow Twisty Bridges | Desk, Mineral Detector Fragment | -125 3 -198 |
 | Sparse Arctic | Data Box: Beacon, Beacon Blueprint, Desk, Light Stick Fragment, Pathfinder Tool Fragment, Jukebox Disk: "Steve Pardo - Rite Of The Deep" | kelptechsite1<br>113 -32 -12 |
 | Twisty Bridges | Desk, Exterior Growbeds | -494 -57 -497 |
 | Glacial Bay | Abandoned PDA: "Signals from the deep?", Jukebox Disk: "JT Music - Don't Hold Your Breath" | -1021 9 -389 |
 | Arctic Spires | Data Box: Snowfox Ice Worm Attack Reduction Module, Light Stick Fragment | -1091 64 330 |
 | Arctic Spires | Abandoned PDA: "Thumper Upgrades", Desk, Data Box: Thumper | -966 68 -84 |
 | Arctic Spires | Jukebox Disk: "JT Music - Take the Dive", Light Stick Fragment | -1044 6 57 |