On Mars: Alien Invasion is the much-anticipated Somewhat Cooperative Expansion to Vital Lacerda’s best-selling and highly-rated On Mars base game. Though this expansion was originally going to be named Surviving Mars, Eagle-Gryphon Games made the decision to change the name to On Mars: Alien Invasion to better reflect the theme and content of this expansion. The game narrative is contained in four chapters of a story written by Nathan Morse.
Gameplay contains four new and different ways to expand upon and play the base game. You will play one versus many; completely cooperatively; and even solo if you wish, depending on the chapter. Included are four fresh and completely replayable ways to establish colonies On Mars!
On Mars: Alien Invasion is a short story expansion to On Mars made in 4 chapters with 4 different modes of play.
The short story is called Alien Invasion and contemplates the following Chapters and modes of play:
Chapter 1 - Invasion - 1 vs All - 3 to 5 players
Chapter 2 - Outbreak - Co-Op - 2 to 4 players
Chapter 3 - Blackout - Co-Op - 2 to 4 players
Chapter 4 - Monolith - Solo - 1 player
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