Fanon:Endless Defense

Endless Defense is a gamemode where players are all on the same team and have to last as long as they can against waves of enemies, Crashers, and bosses from different universes, including the Polygon AU (Graviatar and Chapsteck), Tale of Diep (Zathus) and Extended Tale of Diep (Diepmon).

Gameplay
This gamemode is always active and available to play, no requirements needed! All players are on the Blue team, and there is no win condition. The only objective is to survive for as long as you can, and there is a maximum of 2000 players in one server with three lives per player. New players can join at any time, so this gamemode is constantly ongoing. If all players die or leave somehow, the arena is closed. The server must be very powerful to not lag...

All players start at level 45, since this gamemode gets crazy quite quickly after wave 5. Prophets and Cult Guards are banned, since this doesn't have anything to do with the Cult of Panzer other than the bosses. The arena is 5x the size of a normal map, and enemies come in a hole through the top out of a giant Fortress on the top of the map. They then do what they do against players. Simple prospect, tons of players. Tons. Knowing people, they want space, so they'll move around and not get bunched up. Imagine packs of 20-50 players chasing down 6-12 Heptazoids. That's how crazy this gamemode gets later on. For bosses with special arenas, they appear in the center of the map. When all enemies of a wave are destroyed, the wave ends and the next one begins in 15-30 seconds. Note that players can rejoin instantly when they die 3 times... so it's truly endless. You just lose all your points per run. If a wave is not progressed for 12 hours, the arena is closed.

Polygons:
 * Polygons (Graviatar4yurlips)
 * Polygons (Chapsteck4yurlipis)
 * Project Nest

Other Enemies:
 * Tears of Panzer
 * Clone Drone
 * Puncher
 * Wall Crawlers
 * Lab Guards
 * Ethereal Guards
 * Dungeon Crawlers

Bosses:
 * Bosses (Graviatar)
 * Boss Tanks (Zathus)
 * Boss Tanks (Diepmon)
 * Bosses (Kacperlupa.polska) (only Lesser Sons and Sons of Panzer)

Type 1 Crashers
The weakest kinds. They have little power and aren't that dangerous.
 * Pink Crashers
 * XL Pink Crashers
 * Summoner Squares
 * Swarm Squares
 * Swarm Seekers
 * Green Runners
 * Trapezoids
 * Groupers
 * Navy Seamissiles

Type 2 Crashers
They have special abilities that can disorient tanks slightly, but fairly easy to destroy.
 * Phasers
 * Semi-Crushers
 * Crushers
 * Split
 * Decontrollers
 * Spiralers
 * Healers
 * Tankers
 * Splitter Hexagon
 * Splitter Pentagon
 * Splitter Square

Type 3 Crashers
These guys are heavier, stronger and more dangerous. Some of them have powerful abilities!
 * Tears of Panzer
 * Stickers
 * Tri-Blades
 * Red Runners
 * Leechers
 * Blue Runners
 * White Destroyers
 * Disrupters
 * Clutters
 * Strikers
 * Spitters
 * Mimicker
 * Orbiter
 * Warper
 * Separator
 * Stabber
 * Assassinator
 * Sharp Crasher
 * Punchers

Type 4 Crashers
These are the strongest and toughest kinds. In numbers, they can easily overwhelm groups of level 30 tanks.
 * Plæges
 * Phages
 * Quasars
 * Navy Seamine
 * Thorn Mines
 * Vis Destructicas
 * Knockers
 * Clone Drones
 * Meteors
 * Asteroids
 * Comets

Type 1 Enemies
There is only one category of enemies, but there are many enemies within, with varying degrees of power and strength.
 * Wall Crawlers
 * Ethereal Guards
 * Lab Guards
 * Dungeon Crawlers

Type 1 Polygons
These polygons are actually powerful.
 * Dark Yellow Tetradecagon
 * Navy Pentadecagon
 * Dark Green Icosagon
 * Delta Square
 * Delta Triangle
 * Delta Pentagon
 * Delta Hexagon

Type 2 Polygons
Stronger than Type 1 but weaker than bosses.
 * All Nest Defenders excluding Phage, Quasar, and Terminator Lite
 * Bionic Polygons
 * Delta Heptagon
 * Delta Octagon
 * Delta Nonagon
 * Tellurium 2nd Gen Polygons
 * Hexastellaris
 * Tri-Stellaris
 * Alpha Pentagram

Type 3 Polygons
Strongest kinds of polygons.
 * Delta Decagon
 * Delta Hendecagon
 * Delta Dodecagon
 * Phage Nest Defenders
 * Quasar Nest Defenders
 * Terminator Lite

Type 1 Bosses
Type 1 Bosses are very simple. They are simple enough to only have one or two different types of weapons but still are a threat.
 * The Circle
 * Guardian
 * Summoner
 * Defender
 * All Fallen bosses
 * The Septashot
 * X-Bow
 * Constructionist
 * Pulsar
 * Lurk
 * Slider

Type 2 Bosses
Have 3 or more weapons or possess basic special abilities.
 * Leviathan
 * The Demolishor
 * Heptazoid
 * Gunship
 * The Vanguard
 * Trapperzoid
 * Collider
 * Tri-Seeker
 * Armorboat
 * The Spreader
 * Warship
 * Barricader
 * Trape Fighter

Type 3 Bosses
Still simplistic, but much more dangerous. Have complicated abilities or special weapons.
 * Distributor
 * Battle Carrier
 * Industrian
 * Nonation
 * The Dreadought
 * Terminator
 * Atlantic
 * Phage Lord
 * The Implosionist (Xyv Wdtcfgzsezgk)
 * All other Advanced Bosses in the Polygon AU except Stellaris Sigma.
 * Sassafras
 * King Dominator

Type 4 Bosses
Bosses that fall under this category are a threat to half a server or more. However, they don't possess many special attacks, only a few.
 * All Guardian Bosses, excluding Stormbringer
 * We Are Number One
 * All Lesser Sons
 * Stellaris Sigma

Type 5 Bosses
These guys are the first true threats, and they usually have distinct personalities and many special attacks.
 * All Sons of Panzer, including those in the Extended Tale of Diep
 * Stormbringer
 * The Twins

Type 6 Bosses
Require some skill to take down, get ready.
 * All Gladiator Bosses
 * All Final Sons
 * Trapper God

Type 7 Bosses
Can take on multitudes of tanks at once. Lots of them.
 * Disciples of Dominion
 * Boris the Ghost Butler
 * Knights of Panzer

Type 8 Bosses
Welcome to the part where bosses become crazy powerful. It's going to take the entire server or more to take them down...
 * War Machine
 * Polygon Mother
 * Royale
 * Draconis Rex
 * The Fallen King
 * Shadow Magus
 * The Heretic
 * Archpuppet
 * The Standard

Type 9 Bosses
Even more powerful, several servers are brought together to fight them or the equivalent (usually.)
 * Glimpse of Panzer
 * Nostradamus
 * Archprophet
 * Dr. Lacus
 * War Machine II
 * Coldfist

Type 10 Bosses
The final stage. These bosses are so incredibly powerful that it takes insane cooperation just to take down 1 of them.
 * Avatar of Panzer
 * War Machine III (exclusive!)

Waves

 * 1: 5x Type 1 Crasher
 * 2: 10x Type 1 Crasher
 * 3: 20x Type 2 Crasher
 * 4: 30x Type 3 Crasher
 * 5: 1x Type 1 Boss
 * 6: 40x Type 4 Crasher
 * 7: 5x Type 1 Enemy
 * 8: 10x Type 1 Enemy
 * 9: 70x Type 4 Enemy
 * 10: 4x Type 1 Boss
 * 11: 5x Type 1 Polygon
 * 12: 90x Type 4 Crasher
 * 13: 25x Type 3 Polygon
 * 14: 30x Type 2 Polygon
 * 15: 6x Type 2 Boss

After Wave 15, what the enemies are are randomized. For example, it is a Type 1 Enemy set that is to be spawned, it is 5-20 times the wave number. The exact values are below:
 * Type 1 Enemies: 20-75 * (wave number/10)
 * Type 1 Crashers: 100-300 * (wave number/10)
 * Type 2 Crashers: 75-250 * (wave number/10)
 * Type 3 Crashers: 75-225 * (wave number/10)
 * Type 4 Crashers: 50-200 * (wave number/10)
 * Type 1 Polygons: 75-225 * (wave number/10)
 * Type 2 Polygons: 25-100 * (wave number/10)
 * Type 3 Polygons: 10-50 * (wave number/10)

Bosses spawn every 5 waves, and sometimes there are special bosses. Type 5 Bosses cannot appear before wave 50, Type 6 before wave 75, Type 7 before wave 90, Type 8 before wave 100, Type 9 before wave 120, and Type 10 before wave 150.
 * Type 1 Bosses: 50-75 * (wave number/20)
 * Type 2 Bosses: 30-50 * (wave number/20)
 * Type 3 Bosses: 10-20 * (wave number/20)
 * Type 4 Bosses: 10-15 * (wave number/20)
 * Type 5 Bosses: 8-15 * (wave number/20)
 * Type 6 Bosses: 8-12 * (wave number/20)
 * Type 7 Bosses: 5-8 * (wave number/20)
 * Type 8 Bosses: 2-5 * (wave number/20)
 * Type 9 Bosses: 1-3 * (wave number/20)
 * Type 10 Bosses: Only spawns on waves that have a number divisible by 1000

Special Waves:
 * Wave 50: All four Final Sons.
 * Wave 100: 3x Nostradamus
 * Wave 200: 1x War Machine III
 * Wave 300: 11x Polygon Mother
 * Wave 400: 12x Archprophet
 * Wave 500: 48x Leviathan
 * Wave 555: 20,000x Swarm Seeker
 * Wave 600: 18x Dr. Lacus
 * Wave 700: 30x Glimpse of Panzer
 * Wave 800: 5x all Polygon Bosses, 1x Polygon Mother
 * Wave 900: 20x War Machine II
 * Wave 1000: 4x Avatar of Panzer

Every time the cycle repeats, the boss or enemy is replaced by another from its category and the number increases by 50% each time the 1000 wave cycle repeats, so instead of 3x Nostradamus on wave 1100, there will be 5x Archprophet. That's just an example.

Trivia

 * This would be a great way to farm Panzer Tokens were it not for the fact that bosses don't drop Panzer Tokens at all. Instead, you get 1 every 20th wave after wave 60.
 * An idea of a cross-AU Diep.io mashup has got to be the best thing ever.
 * There's an Insane mode, where if after 5 minutes * wave number a boss isn't defeated... enemies keep spawning. And after that, 5 more minutes (no multiplier) per wave... don't let them stack up!
 * In this, Polygon Bosses will not reward any achievements.