- Double-sided Game Board: enables a variety of starting setups each with its own challenges.
- New Fighter Ships: gives players the ability to capture and redeploy alien creatures.
- Laser Turrets: a new weapon system to defend the space station against the aliens.
- New Tile Abilities: new powers that are combinable, plus four different tile thicknesses for a 3-D look.
- New Alien Creature Powers: alien creatures may evolve to become even more powerful.
- Dolphins & Dive Dice: adds the chaos of ‘Dive Dice’, but also the helpful Dolphins to ward off creatures.
- The Giant Squid: adds the Giant Squid creature, which can attack the Explorers on land or in boats.
- 5-6 Players: enables players to enjoy the original game with up to 6 players.