Uniend 812.21 Kappa is a universe in the Uniend universal cluster.
- Uniend 812.21 Kappa is the universal stream designation corresponding to Fall of Cybertron video game. Its specifications are taken from the game's release date. Additional details place the Transformers: War for Cybertron video game both in this universal stream and Primax 610.17 Kappa.
- Ask Vector Prime