Here's something a little less inappropriate than
the last game I suggested, then!
Word Association. You take the word in the previous post and post a word that is associated somehow.
For example, post 1 is green, post 2 is red, post 3 is blue.
swimming
running
diarrhea
etc.
I'll start!
duck
To̵ ̶͡i͢͠n̢̕v̕͜ǫ̀͢k͝e ͠thè͏̷ ̵̡̕h͏̶̴i͏͞v҉̕e͘͘-̷̵ḿi͡n͠d͜ ŗe͜͝p̶r҉̵e̡s̢ȩ̡n͏t҉͜i̷͢͡ng͏̨ c̸̀h̢̢̢à̧̢o͠͞s.