Beckon the Hellspawn

Beckon the Hellspawn is a game for the PICO-8.

Survive against hordes of relentless creatures by using your arcane powers to defeat them. Gather their essence and use it to increase your magical prowess! Use the beacons lure them and defeat them, but be warned, the more time passes, the stronger they get. Your mission? Survive until "It" arrives. When "it" arrives, destroy it.