Gemini Sagittarius Zodiac Sign Compatibility According To Archer and Twins make amazing friends. Their compatibility is unbreakable and they enjoy one another's company. Centaur is adventurous and wild, while Gemini is versatile and mentally stimulating. Together, they pursue exciting journeys and enjoy mental conversations overflowing with inquisitiveness. Centaur spurs Twins to embody new experiences, while Twins stimulates Sagittarius's intellect with thought-provoking discussions. Their camaraderie is bold and overflowing with joy and fun.