It's The Most Twisted Summer Ever, America!

Silver/Golden Vetoes alternate each week
5 HouseGuests have their exes enter the house
2 HouseGuests are biologically related but don't know it yet
One HouseGuest has a twin that they have continuously been switching with
Everyone in the game also has a secret partner that they knew going into the game
If a secret partner duo makes F2, the runner-up money is $250k and winner gets $1m
First HoH is double, they have to decide on one nom set or be nommed themselves (4 HoHs with BotB)
America votes for someone to get the Coup d'Etat
3 HouseGuests have Nemeses that have entered the BB house
America's Player
Everyone is playing the game as a couple with someone else in the house
Cliques
Saboteur
Diamond PoV from Pandora's Box
Every Couple is also part of a Dynamic Duo for the Golden Key twist
Four Big Brother legends are coaching everyone
MVP nominates a fifth person for eviction
Two HoHs are crowned - they each nominate two people who face off in BotB
Team America
Reset when 7 pairs remain to turn the game into a 14-person BB2
+ 5 regulars+ 5 their partners+ 5 their exes+ 5 Exes partners+ 1 Twin+ 1 for Twin's Partner+ 3 for Nemeses + 3 for their partners+ 4 for Coaches+ 4 for Coaches partners+ 1 for Clique returnee+ 1 for Clique partner= 28 HouseGuests