This is an expansion a copy of Deep Space D-6 is needed.

Deep Space D-6 adventures continue with a new, much more challenging enemy. The Endless Expansion includes an entirely new threat deck of relentless enemies that attempt to overwhelm the player with tough decisions.

Luckily, this expansion also includes ship upgrade cards that can be researched by the player to help them adapt.

Game Contents:
• All new, even more challenging threat deck.
• Introduction of new Research mechanic.
• Includes a set of stickers and replacement cards to update first edition copies of Deep Space D-6.
• Fits in the base game box!
• The Deluxe Edition a great starting point if you're new to Expedition and a solid upgrade if you're already a fan.