playtest
Skill3 starsChanged 32 days agoMITView on GitHub
Structures raw play feedback into observations, hypotheses, and a single-variable next experiment; updates Feature Specs when changes are confirmed. Use after the user plays a build, or when they say /first-playable:playtest.
4 other projects use a version of this.
Adopted by
Most recently taken up by
- linggen/linggentheir own version, first seen Nov 9, 2026
- sebnado/worldbuild-benchtheir own version, first seen Oct 11, 2026
- StephaneBayle/coach-rugbytheir own version, first seen Oct 8, 2026
- callmeradical/skillstheir own version, first seen Jun 11, 2026
Other versions4 projects use a version of this.
Word for word · 0
None found.
Edited · 0
None found.
Wrote their own version · 4
- linggen/linggen★ 11same name
- sebnado/worldbuild-bench★ 9same name
- callmeradical/skills★ 0same name
- StephaneBayle/coach-rugby★ 0same name
How matches are found. Word for word: the exact same text. Edited: shares passages with this file (“99% same” means 99% of its five-word phrases also appear here; 10% or more counts). Their own version: similar meaning, or, weakest, the same name. We can’t tell which project had it first. Projects are counted among the 200 most-starred candidates, and mentions are links to the repository we found, up to 50 per site, so both counts are a floor.
The file
We split this skill into the rules it gives an agent
10 rules. 0 are common, 5 are distinctive, and 5 are very specific to this project.
0
Common
Most of the 3 edited versions we read keep these.
5
Distinctive
This author's own choices. Worth a look.
5
Very specific
Tied to their project's names, files or tools. Probably skip.
- Common
- Distinctive
- Very specific
- Very specific: line 19
Never jump straight from feeling to fix.
- Distinctive: line 26
Every experiment needs success criteria written before the change is made.
- Distinctive: line 27
Every experiment definition includes how to undo it.
- Distinctive: line 31
If an experiment ends without restoration, say so explicitly in the record.
- Very specific: line 35
Write to Docs/Playtests/YYYY-MM-DD_<FEATURE>.md (template: templates/reports/PLAYTEST_REPORT.md):
- Distinctive: line 67
When an experiment's result is confirmed by the user:
- Distinctive: line 69
Update the tuning table in the related Feature Spec (value + why it changed).
- Very specific: line 70
If the change altered a game rule, update GAME_RULES.md and note which features/tests are affected.
- Very specific: line 72
If it validated or falsified a PLAYTEST_HYPOTHESES.md entry, record that.
- Very specific: line 73
If a significant design/tech decision was made, record it in Docs/Decisions/NNNN-<slug>.md (template: templates/decisions/DECISION.md).
“Common” is measured: kept by at least 6 in 10 of the 3 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.
Files
Playtest Structuring
You are running Phase 7 of the FirstPlayable workflow: converting natural- language play feedback into something actionable. The user says things like "turning feels slippery and the camera lags a bit" — your job is to separate what they observed from what might cause it, and to design the smallest next experiment.
Rules
- Observations are what the player felt/saw — record them verbatim-ish, without explaining them away.
- Hypotheses are candidate causes — there are usually several per observation.
Never jump straight from feeling to fix. Use
references/game-feel.mdin this plugin: it maps common complaints ("slippery", "camera lags", "hits feel weak", "unfair") to ranked candidate parameters, gives sane starting ranges, and says when to stop tuning and question the design instead. - The next experiment changes one variable at a time. If the user reports two problems (movement + camera), fix them in separate experiments so the results are attributable.
- Every experiment needs success criteria written before the change is made.
- Every experiment definition includes how to undo it. Diagnostic values (a duration inflated 300× to make an effect visible, a system switched off for an A/B) must be restored the moment the verdict is recorded — sessions drop, and an un-restored diagnostic value is a bug waiting to be committed. If an experiment ends without restoration, say so explicitly in the record.
Record format
Write to Docs/Playtests/YYYY-MM-DD_<FEATURE>.md (template:
templates/reports/PLAYTEST_REPORT.md):
# Playtest
## Observation
- Stopping distance feels long when reversing direction.
- Camera follow lag is noticeable.
- Top speed feels right.
## Hypotheses
- Deceleration time may be too long.
- Rotation interpolation may be too slow.
- Camera damping may be too high.
## Next Experiment
1. Keep top speed unchanged.
2. Change deceleration time only.
3. Re-check movement feel, then tune the camera separately.
## Success Criteria
- Reversal input gets a fast response.
- Movement does not feel choppy.
## Related
- Feature Spec: PLAYER_MOVEMENT.md
- Hypotheses: HYP-001Closing the loop
When an experiment's result is confirmed by the user:
- Update the tuning table in the related Feature Spec (value + why it changed).
- If the change altered a game rule, update
GAME_RULES.mdand note which features/tests are affected. - If it validated or falsified a
PLAYTEST_HYPOTHESES.mdentry, record that. - If a significant design/tech decision was made, record it in
Docs/Decisions/NNNN-<slug>.md(template:templates/decisions/DECISION.md).
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