To uninstall castle-game-engine-src just follow these instructions.
sudo apt-get remove castle-game-engine-src
This will remove just the castle-game-engine-src package itself.
sudo apt-get remove --auto-remove castle-game-engine-src
This will remove the castle-game-engine-src package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for castle-game-engine-src then this will work.
sudo apt-get purge castle-game-engine-src
Or similarly, like this castle-game-engine-src
sudo apt-get purge --auto-remove castle-game-engine-src
|Maintainer||Pascal Packaging Team <firstname.lastname@example.org>|
|Description||Castle Game Engine - Source code for Lazarus integration|