Available today (February 19) for iOS and Android, Jolly Jam is described as the "evolution of the much treasured match 3 genre".
The new puzzle game features "box-to-box gameplay, corner-to-corner color matching and power-up prizes".
It is said to take place in a vibrant game world made up of cute monsters, stunning explosions and lots of surprises.
Rovio's Wilhelm Taht described Jolly Jam as a "next-generation puzzle game with a truly innovative gameplay mechanic and incredibly beautiful graphics".
The views were echoed by the game's developer Magic Tavern, whose CEO Charlie Gu added: "Our ambition was to create a new game play mechanic that brings something new, fresh and really enjoyable to people who like pattern matching games."
Following a 52% drop in profits, Rovio Entertainment closed its Tampere studio late last year.
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