Grineer Sealab

The Corpus Ice Planet is a planetside tileset introduced in Update 16.5 with the Operation Tubemen of Regor event. Taking place on a Grineer underwater facility, this tileset features both artificial structures intermixed with oceanic strata and views of the ocean. The Ice Planet tileset is slated to become the default planetside tileset for Uranus.

Electrified Water
Similar to the Orokin Derelict tileset, certain tiles can feature flooded rooms with electricity flowing through the water, which slowly deals damage to any units that stand upon it.

Trivia

 * One of the tiles features a bunkroom with an interactive shower pod that sprays water upon activation. This feature is purely cosmetic.