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Zero SumNewsDemo: additional boss behaviours, new upgrade nodes, loadout additions
Game update

Demo: additional boss behaviours, new upgrade nodes, loadout additions

Zero Sum · published 9 Jun 2026, 16:17 UTC

All newsPlayers around this dateRead on Steam
  • Summation Serpent head now charges the player when no more segments are to be cleared

    • can be stunned by clearing the number that breaks off the serpent

  • Factorial Factory now spawns smaller and much slower factorials on the last two phases

  • Added two more upgrades to basic division (start with /5 and start with /10)

  • "Start with"-values can now be adjusted in the loadout if unlocked via upgrades

  • Map selection boxes now show the highest achieved grade

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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