As you can see in the title, I made a world that haves 2 command blocks that lets you change your gamemode to survival/creative with achievements enabled, Yes achievements are enabled here, This can work for farming achievements or getting achievements with friends.
A image of the world
You are NOT Allowed to:
Upload to other websites without permission
Linking another download site in case if you review this world in a video.
By the way, Enjoy getting achievements!