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Legacy scores
CHALLENGES—120 bugs · 30 challenges · 14 playgrounds

Hunt the bugs. Score the reports.

Each challenge points you at a broken surface in a playground: file a bug report and get graded.

PLAYGROUND
DIFF
#TitlePlaygroundDifficultySeverityGlobal %Score
01
Legacy Shop: Product Listing Bugs
uilistingdata
Legacy
Easy— in plain sightMED
33%
—
02
Find the stale cart count
stateui
Legacy
Easy— in plain sightHIGH
100%
—
03
Order history sorts as string
sortingdata
Legacy
Easy— in plain sightMED——
04
Modal does not trap focus
a11ykeyboard
A11Y
Easy— in plain sightHIGH
100%
—
05
Cart accepts negative quantity
validation
Legacy
Easy— in plain sightHIGH——
06
Price mismatch list ↔ detail
dataui
Legacy
Easy— in plain sightHIGH——
07
Race: cart count beats POST /cart
racetiming
Flaky
Hard— bring patienceHIGH——
08
LCP > 4.2s on /products
perfCWV
Perf
Hard— bring patienceMED
100%
—
09
Touch target on stepper < 32px
mobilea11y
Mobile
Easy— in plain sightLOW
100%
—
10
Filter UI ≠ filtered results
state
Legacy
Medium— bring toolsMED——
11
Grid collapses early on tablet
responsive
Legacy
Easy— in plain sightLOW——
12
Aggregate ship/no-ship recommendation
capstone
Release
Capstone— bring judgmentHIGH
100%
—
13
Card copy drifts from playground metadata
copydata
Homepage
Easy— in plain sightMED
100%
—
14
Homepage CTA fires analytics with the wrong payload
analyticsevents
Homepage
Medium— bring toolsMED——
15
Mobile search input vanishes under sticky nav
mobileresponsive
Mobile
Medium— bring toolsHIGH——
16
Release confidence score green-lights a risky deploy
releasestate
Release
Hard— bring patienceHIGH——
17
QualityChart patient portal — FE bug hunt
fhirehra11y
Health
Medium— bring toolsHIGH——
18
TapTrust Federal client app — transfer bug hunt
transfersstateprecision
Banking
Medium— bring toolsHIGH——