Solve puzzle boxes, assemble a space station,
and protect the mission from saboteurs.

First Moon of Mercury is a narrative puzzle game about power and trust: who you trust with power, and if that power will save us or destroy us. The outcome depends on you with protecting the mission. As the only defense floating between Earth and the power of the Sun, choose carefully who to trust.

Three decades after a solar storm shattered civilization, a fragile alliance has launched the First Moon of Mercury to shield Earth from the Sun’s fury. But beneath the promise of renewal, rival powers fight to control the mission - and the future of humanity.