Astrea: Six-Sided Oracles is a dice-deck-building roguelike game that invites players to navigate through the remnants of a lost civilization as one of six distinct Oracles. The game features a dynamic deck of dice and enchanted Sentinels, providing a unique gameplay experience where players must confront waves of Corrupted enemies and a decayed goddess. With hundreds of dice options available, players can tailor their strategies to fit their playstyle, whether they prefer reliability, balance, or high-risk tactics.

The core mechanics revolve around a risk vs reward system, allowing players to either Purify enemies or embrace Corruption to gain powerful abilities. The game is rich with various boons that enhance the player's chances of overcoming obstacles and defeating foes. As players progress through the challenging encounters, they must carefully chart their course to ultimately confront the source of the Corruption, making each playthrough a unique adventure.