Assets and i18n:
    - move tile settings to json, generate from there (part of prefabs)
    - prepare all interface entries for i18n
    - all texts (terrain, mobs, quests) also in at least 2 languages

ECS & engine:
    - implement time queue (how to deal with closures?)
    - move all rendering to systems
    - try to move input handling to systems

Dungeon and branches:
    General:
    - river! (dig_bezier)
    - erosion (?)
    - global map of valley
    Prefabs:
    - load prefabs
    - compose from gens and prefabs
    - editor for prefabs

Combat:
    - generate skeleton / intesines / muscle / eyes&ears & fingers from templates
        - serializable
        - config in outer files
    - mass
    - damage from skill / mass / speed / material density
    - no hitpoints! blood is the life source

Items:
    - pickup
    - drop
    - use

Mobs:
    basic:
    - place mobs
    - move mobs
    advanced:
    - ai
    - dijkstra maps

Quest engine:
    - look at parsers like URQL etc
    - distorted Aschenputtel story / partisans / rapist prince / Grey Mountains