Daily

Three new logic puzzles every day.

A Warm-Up, a Daily and a Challenge land every day in Mercuro. Three Thermometers puzzles, the same for every player, free.

Mercuro, the Thermometers puzzle for iPhone and iPad

Download on the App Store

Free to play. No subscription.

Small, bigger, biggest

The Warm-Up is a 6x6 or 7x7 board, the Daily an 8x8 or 9x9, and the Challenge anything from 10x10 to 12x12. Take one with your coffee or run all three back to back.

New to the genre? The rules and a worked example take two minutes.

TodayToday’s set
0
Warm-Up6×6Daily8×8Challenge11×11
Warm-Up6×6
Daily8×8
Challenge11×11

Real boards from one day of Mercuro’s daily calendar, solving in the order the clues allow.

One set, every player

The dailies come from a calendar built into the app, so everyone playing on the same date solves the same three boards. Nothing downloads, so they play just as well on a plane.

Missed a day? It waits

The last two weeks of dailies stay in the archive, so a busy Tuesday never costs you a puzzle. In the free game a past day opens after a short optional ad. Either purchase opens every day in the archive.

Keep the streak alive

Stats tracks your current streak and a weekly grid of every daily you solved. Game Center leaderboards and 40 achievements are there when you want a scoreboard, and out of the way when you don't.

Stats.Keep the heat
This week0 solved 0 day streak
MTWTFSSWarmDailyHard
LeaderboardWeekly HeatGame Center
Achievements40to earn

A sample week. Your own grid fills in as you play.

Questions

Are the daily puzzles free?

Yes. Today's three puzzles are part of the free game.

Can I play past days?

Yes. The last two weeks are in the archive. In the free game each past day opens after a short optional ad; either purchase opens them all.

Do I need an internet connection?

No. Mercuro plays offline.

What if I want more than three a day?

There are 330 free puzzles in chapters, and 330 more in Mercuro Pro.

More guides

How Mercuro is built, the solver, generator and hint engine behind these puzzles.