- Time Travelers allow you to reuse your cards time and time again
- Cyborg Apes take actions that attach to your minions and take them to a whole new level
- Super Spies use their mojo in espionage to plot out the future of you and your opponents
- Shapeshifters could be anyone!
Smash Up: Science Fiction Double Feature can be played on its own as a two-player game or combined with other Smash Up titles to allow for up to four players to compete at the same time.