Puzzle design research
How to Tell a Signature Rule from a Reskin
For this guide, a reskin means presentation changes while the documented legal-completion rules stay the same. A signature rule changes the legal state space: removing it permits a completion or move that the documented rule would forbid. That is a structural test that can be checked from rules without inferring how players feel about the game.
What this guide helps you decide
How can a published rule set show that a puzzle changes legal decisions instead of only changing presentation?
This research presents a structural rule test and uses published Bit Balance metadata as its concrete example. It does not rate originality or quality across the BeanNest catalog, compare competitor games, or claim anything about player difficulty, learning, engagement, or retention.
Try it on the anchor product: BeanNest Games /games/.
Start with legal completions, not appearance
Two boards can look different while enforcing the same legal states. In this structural test, a presentation-only change is not evidence of a new rule. The relevant question is whether the documented constraints accept and reject a different set of completions.
A signature rule must change a legal decision
Remove one documented constraint and ask whether at least one move or completion becomes legal that was illegal before. If nothing about legality changes, the rule is decorative for this test; if legality changes, the constraint is doing mechanical work.
Bit Balance supplies a concrete constraint set
The published Bit Balance metadata requires every completed row and column to contain three 0s and three 1s, forbids three identical consecutive bits, and requires completed rows and columns to remain unique. Those are public constraints rather than claims about how difficult or enjoyable the puzzle is.
Each constraint changes a different legality check
The balance rule rejects a fourth copy of one bit in a completed six-cell line. The no-triples rule rejects a third matching bit in a three-cell run. The uniqueness rule rejects a completed line that duplicates another completed line. Each constraint therefore changes which completed states are legal.
Rule interaction is separate from rule count
Several constraints may apply to the same position, so a move can be excluded by one rule or by their intersection. That observation follows from the rule set itself. It does not establish that fewer rules are deeper, easier to teach, more original, or more engaging.
What this structural test does not measure
The cited sources contain no player study, difficulty benchmark, originality ranking, retention measurement, or competitor evaluation. This guide therefore stops at the checkable distinction between presentation changes and constraints that alter legal play.
First-party evidence and provenance
How we checked this
We reviewed the repository evidence contract and the published Bit Balance rule metadata, then limited the test to a structural question the sources can answer: whether a documented constraint changes which moves or completed states are legal. We did not infer player response or rate the wider catalog.
- Method
- We reviewed this repository's evidence contract and the published game metadata, then traced the shipping behaviour to confirm the mechanism described here. We deliberately did not read or publish a hidden solution state.
- Environment
- Repository source review of the current main branch. No live traffic, account data, or player-identifying information was read.
- Captured
- Reviewed by
- BeanNest Studio
Repository evidence artifacts:
docs/gameplay-reconstruction/EVIDENCE-CONTRACT.mdgames/bit-balance/game.json