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Level 3 · Device QA

Mobile & Device Bug Hunt

20 mobile-focused challenges covering touch, lifecycle, offline behavior, permissions, responsive UI, and device edge cases.

20 sequential challenges Timer starts once Wrong guess = +10 seconds
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TOP 10 · Mobile
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No perfect runs yet. The first spot is open.
CHALLENGE MAP

20 pages. 20 hidden defects.

01
Touch · EasyDouble tap, double purchase

Test repeated touch input.

02
Responsive UI · EasyKeyboard covers the submit button

Check small-screen form usability.

03
Lifecycle · MediumRotation wipes the form

Test device configuration changes.

04
Network · MediumOffline save claims success

Check offline error handling.

05
Navigation · MediumBack exits instead of closing overlay

Validate platform navigation expectations.

06
Permissions · MediumPermission prompt loop

Test denied-permission recovery.

07
Notifications · HardNotification opens the wrong item

Validate deep-link routing from push.

08
Deep links · HardDeep link is lost after login

Check authenticated deep-link continuation.

09
Responsive UI · EasyHeader hides under the notch

Check safe-area handling.

10
Lifecycle · HardResume shows stale data

Test app lifecycle refresh.

11
Usability · MediumTiny destructive touch target

Check practical mobile interaction quality.

12
Localization · MediumTranslated CTA is clipped

Check layout under longer translations.

13
Network · HardReconnect never retries

Test network recovery.

14
Authentication · HardCancel biometric locks the flow

Validate alternate authentication paths.

15
Media · MediumCaptured image rotates incorrectly

Check media orientation metadata.

16
Date & time · HardDue date shifts by one day

Test date-only values across timezones.

17
Navigation · MediumBack navigation loses scroll position

Check list/detail navigation continuity.

18
Privacy · HardUser switch leaks cached name

Check cache isolation between accounts.

19
Touch · HardSwipe gesture triggers the wrong action

Find an interaction collision.

20
Calculation · HardThe almost invisible precision bug

A deliberately subtle final challenge designed to separate fast clicking from careful QA.

Challenges unlock sequentially after you start, so the timer covers the complete level.