A next-generation multiplayer FPS set in the depths of space. Customize your ship, master tactical combat, and build your legacy in a persistent online universe.
Discover the history that shaped humanity's destiny among the stars
From Ash to Diamond
"Before the silence, there was the scream. In the early 21st century, the Earth was a dying engine, fueled by blood and oil. We call this the Resource Wars."
Discover how humanity survived its darkest hour. From the Isotopic Scourge to the Seven Days that changed everything, witness the birth of the Diamond Age and the miracles that followed.
The Universe in 2526
"We survive not by fighting the silence, but by filling it. You stand at the precipice of a second life."
Explore the factions that shape the galaxy: the pristine towers of Alpha Centauri, the disciplined Shield of Delta Pavonis, the healing gardens of Tau Ceti, and the neon shadows of Epsilon Eridani.
Explore the universe of Zero Sum Expanse



Experience the next evolution of space combat
Experience intense first-person shooter gameplay in zero gravity. Master tactical combat with precision aiming and movement mechanics.
Build relationships in a persistent MMO world. Form corporations, trade resources, and shape the political landscape.
Design your perfect vessel with modular components. Choose weapons, shields, engines, and interior layouts to match your playstyle.
Be part of the journey. Sign up now to get early access to alpha and beta testing.
Alpha testing begins 2026 • Beta release 2027
Sign Up for Early Access