- Jaegerists:
A militant group of extremists led by Floch Forster who idolize the Jaeger brothers. They want to rebuild the ancient Eldian Empire and get vengeance on the world for its treatment of the Eldian people. They have gathered in Shiganshina District to protect Eren so he can make contact with Zeke and start The Rumbling to crush the outside world.
Victory Conditions:
- Activate the Rumbling.
- 104th Squad must survive.
- Defeat Marley.
- Defeat Marley's Warriors.
- Defeat Royal Government.
- Defeat 1st Brigade.
Heroes: Eren Jaeger (Devil of Paradis), Floch Forster (Jaegerist Commander)
Strengths:
- Has presence over a large area of the map.
- Soldiers have a damage bonus VS Titans.
Weaknesses:
- Losing Eren robs you of your victory conditions.
- Anti-Marleyan Volunteers:
A small company of soldiers from various Nations conquered by Marley and its Titans. They are led by Yelena, secretly a Marleyan who worships Zeke. They have integrated themselves into Paradis and are the ones responsible for distributing tainted wine among the military. Their goal is to protect Zeke so he can make contact with Eren.
Victory Conditions:
- Jaegerists must survive.
- Defeat the Scout Regime.
- Defeat the Royal Government.
- Defeat Marley.
- Defeat Marley's Warriors.
Heroes: Zeke Jaeger (Beast Titan), Yelena (Volunteer Leader)
Strengths:
- Can create lots of Titans once Zeke unlocks his "Scream" at level 8.
- Specialists can further infect enemies ahead of time, potentially increasing the number of Titans you can create.
Weaknesses:
- Micro-intensive.
- Has a small map presence.
- Using Zeke's "Scream" will destroy Alliances with the Regimes, making surviving harder.
- Military Regimes:
The combined Garrison and Military Police Regimes of Paradis Island; once tasked with defending the Walls and the King respectively, following the coup and removal of Rod Reiss, they now act as the shield of Paradis and Queen Historia. They are led by Commander Pixis.
Victory Conditions:
- Queen Historia must survive.
- Defeat Marley.
- Defeat Marley's Warriors.
- Defeat Royal Government.
- Defeat 1st Brigade.
Heroes: Historia Reiss (Queen of the Walls), Dot Pixis (Garrison Commander), Ymir (Past Jaw Titan. Only available through Event)
Strengths:
- Has presence over a large area of the map.
- Soldiers have a damage bonus VS Titans.
- Pixis can summon reinforcements.
Weaknesses:
- Many soldiers are infected and will turn into Titans if the Beast Titan screams.
- Scout Regime:
The elite among the elite. The Scout Regime once went on Expeditions beyond the cage of the Walls to discover what lay beyond. Following the loss of Wall Maria, they fought to reclaim their territory and came into direct conflict with the Marley Warriors several times. After outsting the False-Government and reclaiming Wall Maria from the Titans, they act as the spear of humanity inside the Walls. They are led by Commander Erwin Smith, and include among their ranks the genius Titan Scientist Hanji Zoe, and "Humanities Strongest Soldier", Corporal Levi.
Victory Conditions:
- Defeat Marley.
- Defeat Marley's Warriors.
- Defeat Royal Government.
- Defeat 1st Brigade.
- Defeat Volunteers.
Heroes: Erwin Smith (Corps Commander), Hanji Zoe (Titan Scientist), Levi (Corporal)
Strengths:
- Three very powerful Heroes.
- Possess one of the only Cavalry units in the game.
- Soldiers have a damage bonus VS Titans.
- Can summon reinforcements using Section-Commanders.
Weaknesses:
- Small map presence.
- 104th Squad:
Graduates of the 104th Training Corps, this Squad has been vital in saving the Walls and the people inside them through many the many perils they've faced. Formerly including three of Marley's Warriors and Eren Jaeger himself in their ranks, they are made up of genius Armin Arlert, Top Graduate Mikasa Ackerman, and fellow graduates Jean Kirsten, Connie Springer and Sasha Blouse.
Victory Conditions:
- Defeat Marley.
- Defeat Marley's Warriors.
- Defeat Royal Government.
- Defeat 1st Brigade.
Heroes: Armin Arlert (Squad Strategist), Mikasa Ackerman (Squad Top Graduate)
Strengths:
- Two powerful Heroes and three elite Demi-Heroes.
Weaknesses:
- No army.
- Royal Government:
The False-Government under Rod Reiss which ruled the Walls for many years through corruption and lies, it was overthrown by the military in a coup. With the island in turmoil following the rise of the Jaegerists and Marley's surprise attack, Rod Reiss has gathered his supporters through bribery, coercion and the aid of the Wall Church headed by Minister Roderich.
Victory Conditions:
- The Rumbling cannot be activated.
- Defeat the Jaegerists.
- Defeat the Regimes.
- Defeat the Scout Regime.
- Defeat the 104th Squad.
- Defeat Marley.
- Defeat Marley's Warriors.
- Defeat Volunteers.
Heroes: Rod Reiss (Ruler of the Walls), Roderich (Wall Church Minister)
Strengths:
- Can summon reinforcements using Deposed Officials.
Weaknesses:
- Small map presence.
- Many soldiers are infected and will turn into Titans if the Beast Titan screams.
- Interior Police:
An elite force of shadowy operatives serving Rod Reiss, they are led by serial murderer Kenny Ackerman. Also known as the 21st Squad, many of its members bear a vendetta against the Scout Regime and 104th Squad.
Victory Conditions:
- Defeat the Regimes.
- Defeat the Scout Regime.
- Defeat the 104th Squad.
Heroes: Kenny Ackerman (The Ripper)
Strengths:
- Heroes and units are very effective against human enemies.
- All Heroes and units are invisible until their first attack.
Weaknesses:
- Cannot summon reinforcements.
- Nation of Marley:
A Nation that rose to power through the use of their Titans, wielded by units of Eldians selected from the Eldian "Devils" kept in their Internment Zones. They have been looking to conquer Paradis Island for years, but the threat of the Rumbling has kept them mostly at bay. Following a catastrophic attack by the Scout Regime on their very country, Marley had gathered its full might for one final mission - to save the entire world from the Rumbling by stopping Eren and Zeke Jaeger from making contact. They are led by Commander Theo Magath, who has enlisted the current inheritor of the Cart Titan, Pieck Finger, to bear supplies and heavy artillery for the coming battle.
Victory Conditions:
- The Rumbling must not be activated.
- Defeat the Jaegerists.
- Defeat the Regimes.
- Defeat the Scout Regime.
- Defeat the 104th Squad.
- Defeat Royal Government.
- Defeat Volunteers.
Heroes: Theo Magath (Marley Commander), Pieck Finger (Cart Titan)
Strengths:
- Anti-Titan Artillery is a very effective weapon against Titans.
- Units are immune to Titanification.
- Possess the only Air Units in the game.
Weaknesses:
- Small map presence.
- No melee units.
- Warrior Unit:
Marley's elite squad of Titan Shifters, some of whom infiltrated Paradis following their breach of Wall Maria 9 years prior. They are made up of Reiner Braun, Porco Galliard and Bertolt Hoover, the current inheritors of the Armoured, Jaw and Colossal Titans respectively. Annie Leonhart, the inheritor of the Female Titan, is currently trapped in a crystallized cocoon in Shiganshina, and is a potential rescue target for the Warriors.
Victory Conditions:
- The Rumbling must not be activated.
- Defeat the Jaegerists.
- Defeat the Regimes.
- Defeat the Scout Regime.
- Defeat the 104th Squad.
- Defeat Royal Government.
- Defeat Volunteers.
Heroes: Reiner Braun (Armoured Titan), Porco Galliard (Jaw Titan), Bertolt Hoover (Colossal Titan. Only available through Event), Annie Leonhart (Female Titan. Only available through Event)
Strengths:
- Can wield up to four extremely powerful Titan Heroes.
- Colossal Titan explosion can destroy a huge swath of enemies.
Weaknesses:
- Can be locked out of two Heroes if not played carefully.
- No units.