Server side

User login system
User score system
Character tracking

Simulation

~~Grid, Point classes~~
~~Tile map loading~~
~~Level-entity interface~~
~~Character APIs~~
MatchSim,
- Game state recording
- ~~Script sandboxing~~

Frontend

Match replay,
- JSON Spec
- Canvas rendering
- Step and play
Code entry,
- Editor
- Parsing
- Debugging

Misc

Dummy AI for testing