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Fixed a softlock in the tutorial where shooting consecutively during tutorial steps, could prevent players from progressing the combo step.Also tried to prevent more such issues by despawning flying bullets early in the tutorial.thanks to @victotem on TikTok f…
fixed 2 issues in the tutorial:no weapon changes were possibleinvisible wall
localization fixesclarified remainder and decimal spawn differencessome subtle indicator for the feedback buttonwriting paper rebalancing (enemies spawn faster now, especially on later waves)factorial fix (prevents factorials
Verdict Game mode has been added to the Zero Sum Demo!try out this new game mode where every operation is judged. Your goal here is not to reduce to zero, but to do clean math in one operation.This mode serves as a small sneak peek at the much larger Problem S…
As discussed earlier, the tutorial is intentionally kept short, as I personally don't like long tutorials and to make the game start quicker. Thats also what the Teachers Combo Guide button exists for. But this presents a unique problem. The more information i…
Mark your calendars: Zero Sum releases on November 17!Sharpen your pencils, Zero Sum is officially launching on November 17, 2026 at 7:00 PM CET (10:00 AM PST / 1:00 PM EST / 18:00 UTC)! Global Release Times:PST (Los Angeles): Nov 17, 10:00 AMEST (New York): N…
The Mod Mine was pretty basic and boring, strong, but looked kinda meh', so I polished it, A LOT and I really like the design. While at it, I also worked on the color coding and operator differentiation AND changed the font of shot player bullets to differenti…
I myself don't like long tutorials, so I kept Zero Sum's intentionally short, with an optional longer read on how the combo system works in the Loadout Section. This part also includes some info about enemies and that you can build some distance by dashing thr…
The current feature of wave modifiers was underused and tbh, kinda boring. they allowed the next wave to be easier for the cost of RP (run specific upgrade currency, earned by playing smart and comboing) (like slower enemies, half values, less enemies, etc.). …
One big issues in a game where precise math is the gameplay is to balance numbers on screen and how to prevent them from clumping together. After all if you face a big death ball of numbers, its almost impossible to do precise math and you get overwhelmed easi…
defining the gameplay loop is one thing, but making it fun, especially fun for replayability is a whole other thing. With 6 dedicated maps, where each is kinda their own game mode they all need to differ from one another to feel unique and worth playing, right…
Dev Logs are now weekly until release, probably daily the week leading to release.Why? Cause its actually a great way to find new bugs :DWhen I do these Dev Logs I usually talk about stuff i did the last few days, then I revisit it and play through parts of it…
scores are implemented into every base map now, which will then be used to create a score for the steam leaderboards. 1 per level and difficulty.Score breakdown can be seen in the game over/run completion screens. things that flow into scores:waves clearedboss…
The 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 …
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 c…
A Taylor series builds a function out of infinitely many terms, each one smaller, but there are always more. The Owl's volleys work in a similar way: ignore them, and the expansion keeps adding numbers until the screen is more enemies than paper. Reduce them t…
There's a 960 on screen. It's angry, it's TANKY and your minus does 1 damage. You could be here all day. Or you could fire one %80 and watch it solve all your problems.Modulo replaces a number with the remainder after division. 960 divided by 80 is exactly 12,…
Today is July 22nd. 22/7. Pi Approximation Day. Close enough to π and close enough to meet the Pie Pi Boss!π's digits go on forever and never repeat, which makes them perfect projectiles to hunt the player. Pie Pi fires sequences of Pi numbers each phase and e…
Now that Steam Next Fest is over and the Demo is polished, it's time to start the Dev Log!I'm making good progress with the game and release is still planned for Q4 2026, still a lot to do, though.Currently working on finishing all phases and mechanics for all…
Added an experimental demo boss with Steam LeaderboardsChanges to Math Paper map (Conveyor mode) — now plays differently from the standard Writing Paper modeFixed some grading inconsistencies