The two kinds of messages that an object-communication diagram shows are the synchronous message (in which a sender object must wait for the target to finish) and the asynchronous message (in which a sender object does not need to wait).
| Game | Time | WPM | Accuracy |
|---|---|---|---|
| 854 | 2019-06-24 14:56:03 | 63.46 | 94% |