At times, you thirst for a puzzle which is ferociously complicated and difficult to challenge your brilliance, so Invert Selection Level Pack is the suitable one in this case. What are you waiting for? Enjoy it now!

Of course, the game's name indicates that it's packed with many levels. As for the goal in each one, let's make the grid picture in the playing field look like the one displayed at the left side. To do this, it's significant to avail the offered tools to delete, add or invert portions of the interface. Choose the right portion of the grid, and then release it to activate the change. More importantly, there are a permitted number of turns to release the portion, remember. That's why a player needs to perform a brilliant strategy before facing up to challenges here.

Don't mind getting yourself into Invert Selection Level Pack and looking for the amusing time here! Come on!