QA Plan
- A: Game can't be played.
- B: Game can be played but it affects the game playability.
- C: Minor bugs (a text has some errors, a background sprite sometimes blinks...).
- Visual: Sprites are sometimes invisible, animations are not well displayed...
- Audio: Music does not stop when it should, a punch does not trigger a feedback sound...
- UI: Menu not showing when pressing the menu key, a button not working...
- Environment: A wall can be traversed, invisible walls where they should not be, an event is not triggered if a character is dead...
- Playable characters: The character does not respond to the controls, it does no damage when attacking...
- IA: Enemies do not move as expected, they don't attack...