Since 2019, the developer officially dropped the "2" from the name; it is now simply titled Universe Sandbox 🛠️ Official Access & Files Official Store: You can find the most stable and current version on official website Beta/Old Versions:
: Increase the Sun's mass to watch planetary orbits destabilize Universe Sandbox Wiki Laser Tool universe+sandbox+2+v3411+2021
There is no widely recognized scientific or academic "paper" specifically titled or exclusively covering "v3411" from 2021. However, Universe Sandbox is frequently cited in educational and astronomical literature as a tool for visualizing N-body simulations and planetary collisions. If you are looking for a specific technical document or developer log, you can check the Official Universe Sandbox Blog for detailed "What's New" articles accompanying their major updates. Support & Bug Reporting | Universe Sandbox Since 2019, the developer officially dropped the "2"