Caldera is a 6 capture point attack defend map, with an alpine spytech theme. Blue team must push through from there dam through red controlled buildings, and seize control of each stage in order to win the map.
Stage 1 leads the blue team through a red warehouse, and eventually through caves to a 'disused' radio tower.
Stage 2 leads blue into an underground cavern, and the opening into a red fortress.
Who knows what dastardly secrets are being withheld in stage 3 by the infamous red team.