The Endless Dive · Quiz & Rarity Rules
Seven prompts per dive. Read the prompt during the three-second preview, then enter one valid answer within 25 seconds. Unrecognized answers can be retried before the timer expires. Suggested spelling corrections require a second press to confirm.
Scores are editorial rarity values rewarding obscure knowledge. Each point sinks your submersible 10 metres deeper—up to 1,000m per round and 7,000m across a full 7-round expedition.
The question bank features 52 curated categories across astronomy, chemistry, geography, literature, and oceanography. Unseen categories appear first before reshuffling.