Steam Heroes (Steam key).

http://store.steampowered.com/app/341160/
Help three brave adventurers on their quest to stop the diabolical Baron Von Smog’s plot to conquer Steam Land. However, there is an army of evil minions that stand in your way. Challenge yourself in this new puzzle strategy game; includes 12 action-packed stages, a full soundtrack, competitive online play, all in stunning 720p HD Graphics. It´s up to you to save Steam Land!

Using classic Match-3 gameplay, use your skill and cunning to give power to your 3 heroes and their unique abilities. Matching colours generates steam of that type; your character then utilise the Steam to heal, attack and defend your party. Unlike many other Match-3 games, not every match is a good one. Think ahead carefully and ensure that your character use their special combo attacks to defeat the bosses!