This is an mini module for Battlestations, the board game of starship adventure. It allows players to tackle Lovercraftian Horrors.
From the game itself:
"Adventures in the Rift. Discover what stirs after the beacon at Far Innsmouth shines a new light in deepest, darkest space.
Bring Lovecraftian horror to your Battlestations universe.
New equipment, a new species (Eugenes), new special abilities and new actions (including the new skill: Sanity!)
This book includes over 2 dozen threaded missions with different finales and a collection of short stories written in the vein of Howard Phillips Lovecraft. "