By: Frozax Games
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Fill grids of thermometers with mercury. Numbers on the grid edges tell you how many cells must be filled in each row and column. No random guessing! Many levels to solve with logic only.
Android · Mar 10, 2016
Worldwide · Exact date · IGDB
iOS · Mar 22, 2016
Worldwide · Exact date · IGDB
PC (Microsoft Windows) · Jun 23, 2026
Worldwide · Exact date · Full release · IGDB
Nintendo Switch · Jul 1, 2026
Worldwide · Exact date · IGDB
Catalog sources
33 achievements available.

Complete at least one daily level for 3 days
LockedSteam

Complete at least one daily level for 7 days
LockedSteam

Complete a Classic Pack
LockedSteam

Complete a Daily Pack
LockedSteam

Complete a hard level 7x7 in less than 1:30
LockedSteam

Complete a hard level 8x8 in less than 2:30
LockedSteam

Complete a hard level 9x9 in less than 3:00
LockedSteam

Complete a hard level 10x10 in less than 3:30
LockedSteam

Complete a hard level 11x11 in less than 3:30
LockedSteam

Complete a hard level 12x12 in less than 4:00
LockedSteam

Complete a hard level 13x13 in less than 5:30
LockedSteam

Complete a hard level 14x14 in less than 6:30
LockedSteam

Complete a Daily Level 12x12
LockedSteam

Complete a Daily Level 13x13
LockedSteam

Complete a Daily Level 14x14
LockedSteam

Complete 25 levels
LockedSteam

Complete 50 levels
LockedSteam

Complete 100 levels
LockedSteam

Complete 500 levels
LockedSteam

Complete 1000 levels
LockedSteam

Complete 2000 levels
LockedSteam

Complete 20 10x10 levels
LockedSteam

Complete 20 11x11 levels
LockedSteam

Complete 20 12x12 levels
LockedSteam

Complete 20 13x13 levels
LockedSteam

Complete 20 14x14 levels
LockedSteam

Complete a 8x8 level for the first time without using hints or undos.
LockedSteam

Complete a 9x9 level for the first time without using hints or undos.
LockedSteam

Complete a 10x10 level for the first time without using hints or undos.
LockedSteam

Complete a 11x11 level for the first time without using hints or undos.
LockedSteam

Complete a 12x12 level for the first time without using hints or undos.
LockedSteam

Complete a 13x13 level for the first time without using hints or undos.
LockedSteam

Complete a 14x14 level for the first time without using hints or undos.
LockedSteam
Community notes