Poland now go into their final Group A game against the Czech Republic with their qualification fate in their own hands, and Blaszczykowski is determined to progress.
"We'll do everything we can. We're tired but happy," Blaszczykowski said.
"With the sort of support we had here from the fans, we are capable of achieving a lot.
"I believe that we can secure a historic advance to the quarter-finals."
Poland need to beat the Czech Republic to qualify to reach the knockout stages of the competition.