Game · Oct 22

Zodiac Siege: tower defense that reads today's sky

Zodiac Siege's title screen: today's sky on a zodiac wheel, with Today's Sky and Play buttons

Zodiac Siege is a new game. Voids march along a golden track toward the Sun, and you hold them back with towers made of the twelve signs.

The twist: it reads today's real sky. Where the planets actually are right now changes how every battle plays, so tomorrow's game won't be today's. On a full or new moon, an eclipse, Mercury retrograde, or an equinox or solstice, a win is worth extra XP and a badge.

Signs unlock as you level up, each with its own upgrade paths, and towers of the same element get stronger when they touch. Ten waves, then Saturn.

The whole game is free in your browser, with daily and weekly Today's Sky leaderboards. Two expansion packs add new maps and bosses, and Arcana Premium members get both.

Play today's sky → All drops