HSG6: Eons - By Krista Witt

A small but fun game where the players are galactic architects, competing to create the largest collection of stars, planets, and blackholes possible before the end of the universe. This competitive game shuffles turn orders and provides many paths to victory making for some creative plays to lock in a win. Board Game Geek

Game rules hosted by Gamer Nation

Gamer Nation product page - Alternative rules for cooperative play, Secret agenda cards are also available for print and play

It looks like they had intended to produce expansion packs to the game with more cards with each expansion but sadly never came to pass.