This game is now FREE! No ads or in-app purchases. Enjoy! Proto Thunder: Zero Hour is a side-scrolling arcade shooter that features a plethora of enemy ships to shoot down, tight spaces to navigate, and upgrades to acquire. Featuring an endless stage with creative design, a fast paced soundtrack, and outstanding action, this game is a true wonder when it comes to mobile space shooters! No hidden in-app purchases, no pay-to-win: the way mobile games should be.
» Top notch graphics;
» Easy and intuitive controls;
» 6 skill levels: from never played anything before to professional player;
» Fight your way through an endless stage aiming for golden skill stars and better scores;
» Three different sections with unique obstacles: open space, asteroid field, and enemy base;
» Collect coins to upgrade your weapons, armor, shield, and unlock new skins.