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Zero SumNewsZero Sum Demo Playable During Steam Next Fest!
Steam news

Zero Sum Demo Playable During Steam Next Fest!

Zero Sum · published 1 Jun 2026, 10:33 UTC

All newsPlayers around this dateRead on Steam

Gear up for some raw arithmetic violence!

In Zero Sum, every bullet is an equation and every enemy is a number. No health bars. No hit points. Just pure mathematical combat in a hand-drawn twin-stick shooter that looks like your math notebook came to life and got angry.The Demo is available during Steam Next Fest and includes a substantial chunk of the full game:

  • 2 out of 6 maps

  • 10 out of 22+ weapon modes

  • 3 out of 9+ bosses

  • 35 out of 80+ upgrades

Whether you’re blasting numbers with division, nuking them with modulo, or pulling off stylish combos for bonus RP, the demo gives you a proper taste of the full chaotic experience.→ Play the Zero Sum Demo during Steam Next Fest (June 15–22)!

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Community9 Sep 2026Zero Sum Dev Log #6 - New Sum Barrier Operator Mode FeaturesThe Sigma Operator is intended as a very powerful crowd control, merging all hit numbers into one single target to deal with. The real problem is, how to incorporate 3 different weapon modes into it? Mode 1 is simple, a lob AoE, easy to aim, useful in certain situations. Sum Barrier is basically Mode 1, but stationary, but can absorb and sum numbers together over a longer time period. Magnet Au…Community2 Sep 2026Zero Sum Dev Log #5 - School's back!In "Problem Sets" you can create your own math puzzles with a lot of freedom, then get a code to share it and let anyone play it. Once they are done they get a result code to send back to you and you can collect and compare results of all of them. Perfect to create your own math puzzles and teach math in a fun way. In this Sample Set your job is to bring every number to 10 in Wave 1 and to 100…Game update26 Aug 2026Demo Update v2.2localization fixes · clarified remainder and decimal spawn differences · some subtle indicator for the feedback button · writing paper rebalancing (enemies spawn faster now, especially on later waves) · factorial fix (prevents factorials <2 from spawning) · receipt paper balancing to operators offered