Changes to the organization and patterns of the code
Art assets must be made or tweaked
Cannot be advanced until something else changes
Finances, organization and marketing
Make the code prettier and easier to understand
Needs careful analysis and testing before proceeding
Blocking further work from being done
Improve the developer experience
Improvements or additions to documentation
Imagining and refining the possibilities
Game mechanics and systems
World generation and procedural content
Approachable for beginners! No special knowledge needed
Easy fixes that are satisfyingly simple to complete
A bug that's limited to certain OS's, drivers or hardware
Visualizing information about the state of the game world
Mice and keyboards and gamepads
Licensing related problems
The tools the player uses to interact with the game world
Sand off the rough edges for players
A focused prototype to test specific questions
Complex questions that require external research