You can build mines, factories, and defense posts on your planets.

  • Up, Down: Choose type of building
  • Left, Right, Tab: Choose view. PCC2 offers three build screens. On each you can build a different selection of structures, and you see a different amount of useful information
  • +: Build one structure (with prefix: build that many)
  • -: Scrap one structure (with prefix: scrap that many). You can only scrap what you've built this turn.
  • T: Taxes
  • S: Sell supplies
  • A: Auto build
  • G: Edit autobuild goals

Reference

Keys:
B from planet screen