I wanted to see what could get done on a limited budget and severe time constraints. I build this in under 2 hours and spent less than $40 on artwork assets. Link to game here: https://play.google.com/store/apps/details?id=com.mdphillips.withinandwithout Link to Dev Blog here: http://www.gamasutra.com/blogs/MarkPhillips/20141216/232405/Building_a_2D_Game_in_Unity3D_in_under_2_Hours_and_for_less_than_40__Within_and_Withouts_Dev_Blog.php