gistfile1.scala

    judgedTask.success {

      game.advance(index) { nextIndex =>
        session.saveLast("/play/%s/task/%d".format(gameName, nextIndex))
        result.redirectTo(this).task(gameName, nextIndex)
      }

      game.atEnd(index) {
        session.endGame
        result.include("gameEnded", "end")
        result.redirectTo(this).index(gameName)
      }
    }

    judgedTask.failure {
      result.include("challenge", cleanChallenge)
      result.redirectTo(this).task(gameName, index)
    }