Bropocalypse is an achievement in Halo 4. It is awarded for completing any Campaign level co-operatively on Heroic or harder. The achievement is worth 10 Gamerpoints. It is represented by two fists on top of each other inside a nine-pointed star.
- The achievement name is a play on the words "Brother" and "Apocalypse".
- The requirements of this achievement is exactly the same as "Brovershield" from Halo: Combat Evolved Anniversary.