Floor Is Lava: Developer Diary | Mobile Ads Go Live (June 3, 2026)

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Wednesday, June 3, 2026; approx. 9:15 a.m. to 1:40 a.m.


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Ads land on mobile, desktop lags behind

Published to the Google Play Console this morning, then spent the day chasing down ad-integration bugs: Versus mode was still showing the old watch-ad and piggy-bank buttons after premium logic removed them elsewhere. By afternoon, mobile was showing genuine AdMob interstitial ads instead of the old five-second countdown placeholder. Desktop, running as a Firebase-hosted PWA, was still stuck on the placeholder; different platforms need separate ad and payment packages, which became the next task.

Fifty treasure sprite sheets

Started generating the treasure artwork for Story Mode’s 51 episodes today. A single sprite sheet with all 50 treasures proved too complex to generate in one shot, so the workflow became: six variations per sprite sheet, roughly 50 separate generation passes, each one copy the prompt into Claude Design, download the transparent PNG. Repetitive, but reliable; up to sheet ten by evening.

Late night: PB Tracker gets a stable build too

Alongside Floor Is Lava, merged two previously separate features in the PB Tracker app (the exercise-set creator and the voice-set creator, which didn’t talk to each other) and added personal bests to the calendar view.

Photos from today

Floor Is Lava screenshot; 2026-06-03
Floor Is Lava screenshot; 2026-06-03

Focus: mobile ads live, desktop ad/payment gap identified, treasure sprite sheet production begins.

Read what happens next in the dev diary: the next entry.

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