---
title: Daily Logic Puzzle Game for iPhone: Three New Puzzles a Day
description: Three new Thermometers puzzles a day on iPhone and iPad, the same for every player, with a two-week archive, streaks and Game Center leaderboards. Free.
url: https://www.arbazsiddiqui.me/app/mercuro/daily-logic-puzzle/
---

# 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.

App Store: https://apps.apple.com/app/id6762402072

## 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](https://www.arbazsiddiqui.me/app/mercuro/how-to-play-thermometers/) take two minutes.

## 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.

## 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.