Gemini and Claude both built impressive offline utility apps, but only one consistently got the details right.

Cinematic interactive web tribute to Ryomen Sukuna (JJK), Malevolent Shrine Domain Expansion, WebGL fluid shaders, procedural WebAudio synthesis, and Dismantle & Cleave reveals.

Live countdown timer with urgent alert (< 5 minutes). Clean single-question layout with A/B/C/D option selector. Question jump palette (Answered, Current, Unanswered ...