-Oceano
-Portales
-Grilla
-Personaje
-Auto (?)
-Fisica
-Fisica Idle
-Low level APIS (Server)
-Sonido Posicional
-Custom Shaders
-HDR
-Trees Waving
-luces
-fixed material
-shader material
-synctoaudio speech and speex
-particulas con gif animados para mostrar que es cada parametro
-soporte de syntax hilight de gdscript para editores mas comunes
-instanciar enemigos usando duplicate
-simulated motion con animacion
-animation player controla otro animation player (tipo camina de lugar a otro y saluda)
-corutinas y loops con yield para animation, audio, etc
-CCD (bullets)

-custom gizmos, editor plugins en script

Clases que necesitan tutorial.

Animation/AnimationPlayer
Area2D (space override, notifications)
custom container demo
custon drawing in a canvas item
ignore mouse on top of button
input in a game, with _unhandled_input
demo containers
Control, anchors e input event handling
lots of 2D physics examples
dictionary and array doc of passing by reference?