The Battle Cats main chapters consist of 10 chapters, 9 of which with 48 stages, and 1 with 49 stages. They are separated into "Empire of Cats," "Into the Future," "Cats of the Cosmos", and "The Aku Realms".
Empire of Cats[]
Chapter 1: The Battle Cats Rising[]
- The player starts at Chapter 1 when playing The Battle Cats for the first time.
- A mini tutorial will run the player through on the game basics.
- As the player progress to Japan and beyond, more game features will be unlocked for the player, such as the Cat Capsule.
- After completing Greece, the player will unlock Bean Cats. When Moon is completed, Moneko will be unlocked.
- Has the lowest cost for summoning cats, with units costing 33% less than they normally would.
- Final boss of this chapter is The Face.
- Strength magnification of all enemies is at 100%.
- Upon beating the chapter, the rest of the Legend Stages are unlocked, along with the Ototo Development Team, Into the Future and Legend Quest.
Chapter 2: The Emperor of Darkness[]
- Unlocked when Chapter 1 is completed.
- Cost of summoning cats increases by 50%, the normal cost of cats.
- Enemies' attacks and health increased by 50% (150% strength magnification).
- Final boss of this chapter is Dark Emperor Nyandam.
- Upon completion, Valkyrie Cat is unlocked for the player and all cat units/abilities have their level cap increased to Level 20. This also allows the Normal Cats to be upgraded to their True Forms.
Chapter 3: Revival of Bahamut-Cat[]
- Unlocked when Chapter 2 is completed.
- Cost of summoning cats is twice that of Chapter 1, or 33.3% more than the usual cost.
- Final boss of this chapter is Teacher Bun Bun.
- Upon completion, Bahamut Cat is unlocked for the player.
- Strength magnification of all enemies is 400%, or four times their normal strength.
- Upon beating the chapter, the player gains access to Catfruit, as well as the ability to unlock the True Forms of Rare, Super Rare, Uber Rare, and Legend Rare cats. The player also gains the ability to unlock the Ultra Forms of certain Uber Rare Cats.
Into The Future[]
Chapter 1: Time Enough for Cats[]
- Unlocked when Chapter 1 of Empire of Cats is cleared, appears in "Into the Future".
- This chapter also has 48 stages and new, different Treasures.
- Cost of summoning Cats is 50% higher than Chapter 1, or the same as Chapter 2.
- This chapter introduces Alien Enemies, whose gimmick is that they have their magnifications increased by anti-unstarred Alien Treasures that the player will have to collect in order to bring their strength to the proper value.
- The player will fight Cli-One as the boss of this chapter, and many Stories of Legend enemies appear in this chapter.
- Players unlock more Cat Combos upon completion, as well as the first chapter of Cats of the Cosmos.
Chapter 2: Alien Intrigue: A Maiden's Revenge[]
- Unlocked when Chapter 1 of Into the Future is cleared, appears in "Into the Future".
- Players unlock more Cat Combos upon completion.
- Aliens introduced in this chapter are fought at 100% strength magnification.
- Aliens already introduced have a 250% increase in strength.
- You will fight a different final boss (Corrupted Valkyrie).
- Upon completion, the player will unlock Valkyrie Cat's True Form, Holy Valkyrie Cat.
Chapter 3: The Ancients Arise: Take Back Earth![]
- Unlocked when Chapter 2 of Into the Future is cleared, appears in "Into the Future".
- Players unlock more Cat Combos upon completion.
- Upon beating this chapter, the player gains access to Talents, Talent Orbs, NP and the Underground Labyrinth.
- You will fight a different final boss (Raging Bahamut Cat).
- Upon completion, the player will unlock Bahamut Cat's True Form, Awakened Bahamut Cat.
Cats of the Cosmos[]
Chapter 1: Beyond the Exosphere[]
- Unlocked when Chapter 1 of Into the Future is cleared, appears in "Cats of the Cosmos".
- This chapter also has 48 stages and new, different Treasures.
- Cost of summoning Cats is 50% higher than EoC Chapter 1, or the same as in EoC Chapter 2 and Into the Future.
- This chapter introduces Starred Alien Enemies, players will fight The Cat God as the final boss and many Into the Future enemies and Stories of Legend enemies appear in this chapter.
- Most levels in this chapter will have restrictions on what type of cats can be used. (e.g: The level may not allow using Normal Cats and Special Cats.)
- Upon completion, the player will receive a discount on The Cat God's miracles.
Chapter 2: The Passion of Catgod[]
- Unlocked when Chapter 1 of Cats of the Cosmos is cleared, appears in "Cats of the Cosmos".
- Final boss of this chapter is Cat God.
- Upon completion, Cat God the Great is unlocked for the player.
Chapter 3: Even Stars Burn Out[]
- Unlocked when Chapter 2 of Cats of the Cosmos is cleared, appears in "Cats of the Cosmos".
- Final boss of this chapter is Final Boss Giga-God.
- Players receive a Platinum Ticket upon completion.
- A bonus stage will appear after clearing the chapter, which drops Filibuster Cat X.
- Players unlock Cat Capsule+, an upgraded Cat Storage limit (64 to 128), and Normal Cat Superfeline.
The Aku Realms[]
- Unlocked after clearing Unleashing the Cats
- This chapter has 49 stages but no Treasures.
- Cost of summoning Cats is 50% higher than Chapter 1, or the same as in Chapter 2
- This chapter introduces Aku enemies and players will fight many Stories of Legend and Uncanny Legend enemies.
- Each stage features the Aku Altar which limits Cat Units' levels depending on how many stages have been cleared.
- Final boss of this chapter is High Priest Mamon.
- Players receive a Platinum Ticket upon completion.
- A bonus stage will appear after completing all stages, beating this stage unlocks the Special Cat Jagando Jr.
Legend Stages[]
- Main article: Legend Stages
- Unlocked at the start but limited to 2 high-difficulty stages. The rest is unlocked after you beat Chapter 1 of Empire of Cats.
- Cost of summoning cats is equal to Chapter 2 of Empire of Cats.
- There is a variety of new enemies, including but not limited to: THE SLOTH, Rain D., Celeboodle etc... (Just note that many of the new characters cannot be found in regular game chapters. Limited time enemies seen will not go to the dictionary)
- The health and attack boost is different every stage, constantly getting stronger.
- Special Events are mainly held here.
- Stages in this mode separate into Stories of Legend stages (yellow stages), Uncanny Legends stages (green stages), Zero Legends stages (blue stages), Event stages (red stages) and Collaboration stages (purple stages).