Streak · 7 days+185 XP
7-Day Inbox Zero Streak
Each day reply to, file or delete every new email so your inbox is empty by evening. Check in daily.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
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Tech · Facts & stats · iChallenge network
The Email Challenge
Daily facts and stats about email, plus real challenges to put them to work.
Warm-up questionNot ranked · tap an answer
In an email subject line, what does 'Re:' usually indicate?
Email programs add 'Re:' to replies; it is usually traced to the Latin 'in re', meaning 'in the matter of'.
Level1Rookie
XPPlay a round to earn XP
Streak0days
LeagueBronzeweekly
Daily #15Resets at midnight UTC
Today's round
- 5 questions
- 20s each
- 0 played today
One ranked attempt per day. Practice as much as you like.
Challenges
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Proof+250 XP
Spot the Phish
Find three warning signs of phishing emails from a trusted guide and post a short write-up explaining each one.
SponsorseCorp.comSavingTheWorld.orgVentureOS.com
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Proof+250 XP
Write a Five-Sentence Email
Rewrite a long email you need to send in five sentences or fewer, and share a short write-up of what you cut.
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By the numbers
Live counts from EmailChallenge.com. All arena stats →
Facts in the pack12
Visitors, 30 days20
Leaderboard
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Badges
Earned on any arena, shown on your profile everywhere.
First RoundFinish your first daily round.
FlawlessAnswer every question in a round correctly.
LightningA perfect round in under 25 seconds.
On a RollPlay 3 days in a row.
Week WarriorPlay 7 days in a row.
UnbreakablePlay 30 days in a row.
ExplorerPlay daily rounds in 5 different arenas.
GlobetrotterPlay daily rounds in 25 different arenas.
PolymathPlay daily rounds in 5 different topics.
In the ArenaJoin your first challenge.
FinisherComplete a challenge.
RecruiterInvite a friend who finishes a round.
CaptainInvite 5 friends who finish a round.
PodiumFinish a day in an arena's top 3.
ChallengerReach level 10.
Profile SavedSave your progress with an email.
Save your progress
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.
Put a prize on a challenge
Fund a prize on EmailChallenge.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.
- Pick the challenge and the prize
- We review entries before a funded prize is awarded
- You get finisher and engagement numbers after it closes
Current sponsors
Questions
Who judges creative challenges?
Completion is self-logged; community votes rank showcase entries.
Can agencies compete as teams?
Yes — one handle per team on the leaderboard.
How does the daily round work?
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
How is my score calculated?
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.
Is it free?
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.