Big Brother Competitions & Twists

Ever since Big Brother began, competitions and twists have effected the way the players adapt to the game. Each season some sort of new competition or a new twist is added to the game. There are many different types of competitions and twists that have been introduced into Atlas Production Big Brother, listed below.
==Competitions and Twists Through Big Brother==
 	 	1	2	3	4	5	6	7	8	9
Returning Players 	Returning Players 	 	 	X	 	X	X	 	X	
Head of Household 	Head of Household 	X	X	X	X	X	X	X	X	
Power of Veto 	Power of Veto 	X	X	X	X	X	X	X	X	
Double/Triple Eviction 	Double/Triple Eviction 	X	X	X	X	X	 	 	X	
Battle Back 	Battle Back 	X	X	X	 	X	X	 	X	
Team/Pairs/Groups 	Team/Pairs/Groups 	X	 	 	 	 	X	 	X	
Solitary 	Solitary 	X	 	 	 	X	 	 	X	
3rd Nominee Power 	3rd Nominee Power 	X	 	 	 	X	 	 	 	
Reverse Week 	Reverse Week 	X	X	 	 	 	 	 	 	
Spectator Power 	Spectator Power 	X	 	X	 	 	 	 	 	
Jury Power 	Jury Power 	 	X	 	 	 	 	 	 	
Power Compitition 	Power Compitition 	 	X	X	 	X	X	 	 	
Surviving Eviction Power 	Surviving Eviction Power 	 	 	X	 	 	X	 	 	
Pandora's Box 	Pandora's Box 	 	 	 	X	 	 	 	 	
No Head of Household 	No Head of Household 	 	 	 	X	 	 	 	 	
Two Heads of Household 	Two Heads of Household 	 	 	 	X	X	 	 	 	
Klein's Codex 	Klein's Codex 	 	 	 	X	X	 	 	 	
Instant Eviction 	Instant Eviction 	 	 	 	X	X	 	X	 	
Jury Removal 	Jury Removal 	 	 	 	X	 	X	 	 	
Final 3 	Final 3 	 	 	 	X	X	 	 	 	
The Bug/Virus 	The Bug/Virus 	 	 	 	 	X	X	 	 	
Double Power of Veto 	Double Power of Veto 	 	 	 	 	X	 	 	 	
Safety Week 	Safety Week 	 	 	 	 	X	X	X	 	
Mystery Button 	Mystery Button 	 	 	 	 	 	 	X	 	
Chance Week 	Chance Week 	 	 	 	 	 	 	X	 	
6 Part Final Head of Household	6 Part Final Head of Household	 	 	 	 	 	 	X	X	
Coaches 	Coaches 	 	 	 	 	 	 	 	X	
Coach Competition 	Coach Competition 	 	 	 	 	 	 	 	X	
==Competitions Through Big Brother==
 	 	1	2	3	4	5	6	7	8	9
2048 	2048 	X	X	 	X	X	 	X	X	
4096 	4096 	 	 	X	 	 	X	 	X	
21 Flags 	21 Flags 	X	 	 	 	 	 	 	 	
Apple Shoot 	Apple Shoot 	X	 	X	 	 	 	 	 	
Battle Ship 	Battle Ship 	 	X	 	 	 	 	 	X	
Before or After 	Before or After 	X	X	 	X	X	 	X	X	
Bloxers 	Bloxers 	 	X	 	 	 	 	 	 	
Bot Games 	Bot Games 	 	 	X	X	 	 	 	X	
Check Flag 	Check Flag 	X	 	 	 	X	X	X	 	
Colored Keys 	Colored Keys 	 	X	X	 	 	 	 	 	
Counting 	Counting 	 	 	 	X	X	 	 	X	
Creative Writing 	Creative Writing 	 	 	 	X	 	 	 	 	
Crossed 	Crossed 	 	 	X	 	 	 	 	 	
Cut the Rope 	Cut the Rope 	 	 	X	 	 	 	 	 	
Design Challenge 	Design Challenge 	 	 	X	 	 	 	 	 	
Endurance Test 	Endurance Test 	X	X	 	 	 	 	X	X	
Find a Path 	Find a Path 	X	 	 	 	 	 	 	 	
Flappy Bird 	Flappy Bird 	 	X	 	 	 	 	 	 	
GeoGuesser 	GeoGuesser 	 	X	X	 	 	X	 	 	
Get 10 	Get 10 	 	 	 	 	X	X	X	X	
Grip 	Grip 	 	X	 	 	 	 	X	 	
Harvest 	Harvest 	X	 	 	 	 	 	 	 	
Hex Wars 	Hex Wars 	 	 	 	 	X	X	X	X	
Hot Potato 	Hot Potato 	 	 	X	 	 	 	 	 	
Inn Keeper 	Inn Keeper 	X	X	 	 	 	X	X	X	
Keyman 	Keyman 	 	 	 	 	X	X	X	X	
Lag Dash 	Lag Dash 	 	 	 	X	X	 	X	X	
Majority Rules 	Majority Rules 	 	 	X	X	X	 	X	X	
Miner Z 	Miner Z 	 	 	X	 	 	 	 	 	
Minesweeper 	Minesweeper 	 	 	X	 	 	 	 	 	
Mountain Bike 	Mountain Bike 	X	X	 	X	 	 	 	X	
Mountain Rage 	Mountain Rage 	 	 	 	X	 	 	 	 	
Multi Task 	Multi Task 	 	X	 	 	 	 	X	X	
OTEV / Who's the Player	OTEV / Who's the Player	X	 	X	X	X	X	X	 	
Pass the Flag 	Pass the Flag 	X	 	 	 	 	 	 	 	
Put Put 	Put Put 	X	 	 	 	X	X	 	X	
Robot Unicorn 	Robot Unicorn 	 	X	 	 	 	 	 	 	
Rock Paper Scissors 	Rock Paper Scissors 	 	X	 	 	 	 	 	 	
Scavenger Hunt 	Scavenger Hunt 	 	 	 	 	X	X	X	X	
Simon Says 	Simon Says 	X	 	 	X	X	X	 	X	
Semantri 	Semantri 	 	 	 	 	 	 	X	X	
Slide Puzzle 	Slide Puzzle 	X	X	X	X	X	X	X	X	
Slither.io 	Slither.io 	 	X	X	 	X	 	X	X	
Slither Math 	Slither Math 	 	 	 	 	 	X	 	X	
Stacker 	Stacker 	X	 	 	X	X	X	X	X	
Time Crunch 	Time Crunch 	 	X	 	 	X	 	 	 	
Trivia 	Trivia 	X	 	X	 	 	 	 	X	
Twisty Roads 	Twisty Roads 	 	X	 	 	 	 	X	 	
Vector Run 	Vector Run 	 	X	 	 	 	 	 	 	
What Day 	What Day 	X	 	X	X	 	X	 	 	
Who Said It? / Quotes 	Who Said It? / Quotes 	X	X	X	X	X	X	X	X	
Winter Bells 	Winter Bells 	 	X	 	X	 	 	X