Communicating badly and acting smug when you're misunderstood is not a sign of cleverness.
Two plus two is four. If you want it to be twenty two, you need to use the concatenation symbol rather than the plus sign (or at least use quotes.)
It's hard to tell why some arrow commands don't register (although I know a mis-hit will cause failure). Also, you might as well play on the highest difficulty level just to avoid having to wait too long just to complete a single stage.
 "The randomness quiz"){kind=icon}
 "Gemworks"){kind=icon}
 "Bot Arena 3"){kind=icon}
 "Typing Ninja Hunter"){kind=icon}
 "Thing-Thing 4"){kind=icon}