Premise & Host-and-Phone Party Format
The Everything Quiz turns any shared computer monitor or living-room television into an interactive game show host screen while transforming every player smartphone into a synchronized tactile controller. Whether practicing fast solo streaks or orchestrating lively group rooms via join codes, players compete seamlessly in English, Spanish, Chinese, Japanese, or Korean without downloads or cumbersome friend lists.
Two-Phase Smart Engine & Semantic Vector Cache
Crafting trustworthy trivia on any imaginable subject requires splitting generation into two distinct passes: an accuracy pass authors true questions alongside canonical answers, while a separate distractor pass produces convincing wrong options. Early live synthesis imposed a hard fifteen-second wait before rounds started and made free lobbies economically unsustainable against synthesis costs. To eliminate stalled lobbies, Crenet Games migrated question persistence into Supabase PostgreSQL, embedding 11,050 verified items with text-multilingual-embedding-002 and indexing an IVFFlat table at a 0.40 similarity threshold—cutting median topic lookup from 15 seconds down to 297 milliseconds while offline jobs backfill thinner categories automatically.
Free Mode, Sparks Ledger, Upvoting & Catch-Up Buffs
Community upvote signals filter high-quality prompts into fast Free Mode queues for spontaneous groups. Players seeking custom Smart Engine topics use Sparks credited through an isolated Express-and-Firestore double-entry payment webhook ledger with automatic reconciliation. During multiplayer matches, built-in Gamemaster catch-up buffs keep trailing contenders within striking distance so final-round scoreboard swings remain tense for every room participant.
| Feature / Mode | How It Works | Best Use Case |
|---|---|---|
| Host + Phone Room Code | Shared display prompts; mobile browsers lock answers | Living-room party nights and remote group calls |
| Solo Practice | Single-screen rapid-fire trivia across curated pools | Quick personal warmups in five supported languages |
| Semantic Cache Match | pgvector cosine lookup (~297ms median response) | Instant rounds on recurring popular quiz subjects |
| Sparks Custom Synthesis | Two-phase Smart Engine drafts fresh obscure topics | Ultra-specific fan themes not yet cached in pool |
| Gamemaster Buffs & Upvotes | Comeback modifiers plus question quality voting | Keeping party standings tight and pools clean |