The Tier 2 Dungeon known as the Mars Dungeon is similar to the Moon Tier 1 Dungeon.
Looting the Mars Dungeon is the only way to obtain the Cargo Rocket Schematic, which enables you to build the Cargo Rocket. It is also the only way to obtain the Tier 3 Rocket Schematic.
The Dungeon's boss is a three-headed creeper named the Evolved Creeper Boss.
The interior of the dungeon