Description: Second Wave will enable players to unlock gameplay modifiers that will add more challenge and replayability. Players will have to start a new game to access these options. If the player has finished the game on Impossible Mode, these four additional Second Wave features will be unlocked: -War Weariness: Funding goes down over time. -E-115: Elerium degrades over time. -Total Loss: Lose all soldier gear upon death. -Alternate Sources: The power source cost to build facilities increases dramatically.