io games maker
so if you search for io games maker you want to make a io game
the io games are not so easy to make and you need programming skills
just write io games clone or agar io clone in google and you will find a free open source io game of the first game
then you can change it to any game you want (with code changes and design change )
so there is no real easy io games maker for now , just need to build the game with canvas hmtl5 and jave script
here are some games that started the io games - you can take ideas from them :
