a clone of diep.io (https://diep.io) but with java and javaFX
made by Gergö, Flo and Simon for Lernatelier
uses FXGL the javaFX Game Library (https://github.com/AlmasB/FXGL)
there's also a web version of this project: https://github.com/Flopi04LP/web-io-game