NEW MILLENNIA AND MUTINIES
Another stylistic suggestion rather than actual error.
This feels slightly ... inelegant. I would suggest something like "NEW MILLENNIA, NEW MUTINIES" instead.
NEW MILLENNIA AND MUTINIES
should be corrected to "Base Die""Any roll of 6 or higher on a Base Dice is called a success"
Due to limited space and harsh conditions, off- world visas were granted only to those who paid a hefty fee and passed rigorous mental and physical tests. Or to the megarich who could buy special treatment or private transports. And so the great divide began. The smartest, healthiest, and wealthiest abandoned Earth in a mass exodus, while the unfortunate who failed the tests or lacked the funds – known as Specials – were left behind.