Mine

on *:TEXT:?rps*:#:{ 
  if ($nick !isreg $chan) { 
    if ($2 == on) { 
      set %rps. [ $+ [ $chan ] ] on 
      notice $nick 12 $nick 1 turned Rock-Paper-Scissors game on in channel 12 $chan
    } 
    elseif ($2 == off) { 
      unset %rps. [ $+ [ $chan ] ] 
      notice $nick 12 $nick 1 turned Rock-Paper-Scissors game on in channel 12 $chan
    } 
  } 
} 
on *:TEXT:*:#:{ 
  var %x = $remove($left($1,1)), %r = $rand(1,3) 
  if (%rsp. [ $+ [ $chan ] ]) { 
    if (%x == scissors) { 
      if (%r == 1) { notice $nick 1My Hand Says 12ROCK [1I Win12] 1Play Again } 
      elseif (%r == 2) { notice $nick  1My Hand Says 12PAPER [1You Win12] 1 Play Again } 
      elseif (%r == 3) { notice $nick  1My Hand Says 12SCISSORS 12[1 TIE12] Play Again  } 
    } 
    elseif (%x = paper) { 
      if (%r == 1) { notice $nick 1My Hand Says 12ROCK [1You Win12] 1Play Again } 
      elseif (%r == 2) { notice $nick 1My Hand Says 12PAPER [1TIE12] 1 Play Again } 
      elseif (%r == 3) { notice $nick 1My Hand Says 12SCISSORS 12[1I Win12] Play Again } 
    } 
    elseif (%x == rock) { 
      if (%r == 1) { notice $nick 1My Hand Says 12ROCK [1TIE12] 1Play Again } 
      elseif (%r == 2) { notice $nick 1My Hand Says 12PAPER [1I Win12] 1 Play Again } 
      elseif (%r == 3) { notice $nick 1My Hand Says 12SCISSORS 12[1 You Win12] Play Again } 
    } 
  } 
}