Plant Something
In honor of Nebraska's Arbor Day, plant a seed, cutting or sapling you already have and post a photo link.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Places · Facts & stats · iChallenge network
Daily facts and stats about nebraska geography, history and landmarks, plus real challenges to put them to work.
Which river forms Nebraska's eastern border?
The Missouri River separates Nebraska from Iowa and Missouri.

One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
In honor of Nebraska's Arbor Day, plant a seed, cutting or sapling you already have and post a photo link.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Learn one fact a day about Nebraska's history or landscape. Check in once a day.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Identify three grasses or wildflowers growing near you and post a short write-up.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
Live counts from NebraskaChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on NebraskaChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
Local first — landmarks, history, culture — plus world geography rounds.
Yes, sponsored challenges are available. Use the contact form.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.