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Survey Lab
A Survey research complex that goes down: a small building on the surface over a ladder shaft and stacked underground levels, each two floors deep.
| Size | Where | Depth |
|---|---|---|
| Citadel | Mars (canyons, dunes, polar). Rare. | 12 floors, about 90 blocks |
| Complex | Greenxertz and Glacira | 6 floors |
| Outpost | every moon and planet | 2 floors |
Six levels, each with its own theme — admin, labs, specimen, server, reactor and the sample vault. On every level you climb down into an approach, pass outer rooms, wake a Ruin Spawner and solve a gate; the vault and the only ladder down are behind it. The lower floor of each level holds inner rooms.
- Gates are mostly card readers: the Survey card is found at the surface, the Security and Command cards on the levels above the readers that need them.
- The server level has a conduit-routing gate; the specimen level adds a vault sealed by Ballast Plates; the bottom level uses a glyph-sequence lock. Below it, a sanctum holds the chapter's last log and a relic socket.
- If a level fails to fit, the shaft ends in a cave-in rather than an open hole.
- Satellites: an antenna field, a motor pool and a half-buried reactor annex.
The complex is a shorter version (admin, server and sample levels); outposts are a hut over one level.
Each level has its own spawner before the gate. Rogue Androids from NeroCreatures appear first when that mod is installed (Guardians).
Everything below the first gate is enclosed in Reinforced Survey Hull, including a reinforced slab between each level's floors, so levels cannot be dug into from the approach or from above. Surface buildings and satellites are mineable.