No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

Rock of Ages 2: Bigger & Boulder™

The greatest 'giant rocks rolling through historical/artistic ages' tower defense game is back with Rock of Ages II: Bigger and Boulder. Just like the title says, Bigger and Boulder cranks up the surrealism and gameplay to be, well… BIGGER AND BOULDER. With an emphasis on the chaotic new 2-vs-2 multiplayer, new time periods, and improved graphics, physics, and destructibility powered by Unreal Engine 4, players will need to be ready for some intense rocking and rolling.