This game has been developed in HTML5/js and third-party library CreateJs – http://createjs.com/ (not Construct2 or other framework).
Zap Aliens is a HTML5 Arcade Game. The aim of the game is to tap Aliens and Astronauts to get points and multiplier.
http://showcase.codethislab.com/games/zap_aliens/
A funny and galactic graphic for this addicting arcade game!
Tap Aliens and Astronauts to get points and multiplier!
http://codecanyon.net/item/zap-aliens-html5-arcade-game/14152975?ref=codethislab