Level-up

Level-up is a feature that allows players to spend XP to improve Cat Units and Base Upgrades. Level upgrades can be done by entering the Upgrade Menu, scrolling to the desired Cat Unit or Base Upgrade and pressing the "Upgrade!" button.
==Explanation==
All Cat Units and Base Upgrades start at level 1. Each upgrade increases the level by 1. Levelling up a Cat Unit will increase its health and attack power, while levelling up a Base Upgrade will make it more effective (e.g., levelling up the Study upgrade increases amount of XP earned after battle). The XP costs will increase with each upgrade until level 10, at which point they will become multiples of the first 10 levels' costs. This pattern continues all the way up to level 50. Every level-up will also raise the player's User Rank by 1 level.
There is a limit to how many times a unit may be upgraded. The level cap is initially 10, but it can be increased all the way up to 50 for most units as the player raises their User Rank and progresses through the game.
In addition to standard levels, many units can also upgrade to + levels (also known as (+) levels). Each + level is equivalent to a standard level but counts toward a separate cap. + levels are attained by "using" duplicate Cat Units or Ability Capsules in Cat Storage; as a result, non-gacha cats can never upgrade to + levels.
Levelling up Cat Units can also unlock new forms: upgrading any Cat Unit to total level 10 will unlock its Evolved Form, and upgrading a Normal Cat to total level 30 (i.e., 20+10) will unlock its True Form. Other cats have a minimum level and additional requirements that must be met before their True Forms can be unlocked (20 for cats needing Awakening; 30 for cats needing Catfruit).
==Level Caps==
===Normal Cats===
Original Nine	Original Nine
Level 	Requirement
Level 10 	None
Level 20 	Complete Empire of Cats Chapter 2
Level MAX +19	None
Level MAX +25	User Rank 1,500
Level MAX +30	User Rank 1,700
Level MAX +35	User Rank 2,900
Level MAX +40	User Rank 3,000
Level MAX +45	User Rank 3,500
Level MAX +50	User Rank 3,550
Level MAX +55	User Rank 4,200
Level MAX +60	User Rank 4,250
Level MAX +65	User Rank 5,050
Level MAX +70	User Rank 5,100
Level MAX +75	User Rank 5,750
Level MAX +80	User Rank 5,800
Level MAX +90	User Rank 9,999
Superfeline 	Superfeline
Level 	Requirement
Level 10 	None
Level 20 	Complete Empire of Cats Chapter 2
Level MAX +9 	None
Level MAX +30	User Rank 10,001
Level MAX +40	User Rank 11,001
Level MAX +50	User Rank 12,001
Level MAX +60	User Rank 13,001
Level MAX +70	User Rank 14,001
Level MAX +80	User Rank 15,001
===Special Cats===
Special Cats 	Special Cats
Level 	Requirement
Level 10 	None
Level 20 	Complete Empire of Cats Chapter 2
Level 30 	User Rank 1,600
Level 40 (non-Legend Cats) 	Catseyes
Level 40 (Legend Cats) 	Catseyes after completing An Ancient Curse
Level 50 (non-Legend Cats) 	Catseyes after completing An Ancient Curse
Level 50 (Legend Cats) 	Catseyes after completing Revival of Origin
Level MAX +10 (June Bride of the Devil, Monster Hunter and Nebaaru-kun and Nyanpazuru Cats)	None
Level MAX +20 (Bikkuriman Cats) 	None
Level MAX +30 (Summer Break Cats, JRA, Heartbeat Catcademy Cats) 	None
Level MAX +60 (Li'l Cats) 	Complete Li'l Cat's Trial to increase level cap from +40 to +60
JRA and Heartbeat Catcademy units may not upgrade past level 1. 	JRA and Heartbeat Catcademy units may not upgrade past level 1.
===Rare Cats===
Rare Cats 	Rare Cats
Level 	Requirement
Level 10 	None
Level 20 	Complete Empire of Cats Chapter 2
Level 25 	User Rank 900
Level 30 	User Rank 1,200
Level 40 	Catseyes
Level 50 	Catseyes after completing An Ancient Curse
Level MAX +9 	None
Level MAX +20	User Rank 1,800
Level MAX +30	User Rank 1,900
Level MAX +40	User Rank 2,300
Level MAX +50	User Rank 3,100
Level MAX +60	User Rank 4,050
Level MAX +70	User Rank 4,600
Level MAX +80	User Rank 5,850
===Super Rare Cats===
Super Rare Cats 	Super Rare Cats
Level 	Requirement
Level 10 	None
Level 20 	Complete Empire of Cats Chapter 2
Level 25 (non-Crazed) 	User Rank 1,000
Level 25 (Crazed) 	User Rank 3,600
Level 30 (non-Crazed) 	User Rank 1,300
Level 30 (Crazed) 	User Rank 3,650
Level 40 	Catseyes
Level 50 	Catseyes after completing An Ancient Curse
Level MAX +9 	None
Level MAX +20 	User Rank 2,000
Level MAX +30 	User Rank 2,400
Level MAX +40 	User Rank 3,200
Level MAX +50 	User Rank 4,100
Level MAX +60 	User Rank 4,650
Level MAX +70 	User Rank 5,900
Metal Cat may not upgrade past level 20 or to + levels.	Metal Cat may not upgrade past level 20 or to + levels.
===Uber Rare Cats===
Uber Rare Cats	Uber Rare Cats
Level 	Requirement
Level 10 	None
Level 20 	Complete Empire of Cats Chapter 2
Level 25 	User Rank 1,100
Level 30 	User Rank 1,400
Level 40 	Catseyes
Level 50 	Catseyes after completing An Ancient Curse
Level 60 	Dark Catseyes after An Ancient Curse
Level MAX +9 	None
Level MAX +20 	User Rank 2,100
Level MAX +30 	User Rank 2,500
Level MAX +40 	User Rank 3,300
Level MAX +50 	User Rank 4,150
Level MAX +60 	User Rank 4,700
Level MAX +70 	User Rank 5,950
===Legend Rare Cats===
Legend Rare Cats	Legend Rare Cats
Level 	Requirement
Level 10 	None
Level 20 	Complete Empire of Cats Chapter 2
Level 25 	User Rank 1,110
Level 30 	User Rank 1,410
Level 40 	Catseyes
Level 50 	Catseyes after completing An Ancient Curse
Level MAX +9 	None
===Base Upgrades===
Base Upgrades 	Base Upgrades
Level 	Requirement
Level 10 	None
Level 20 	Complete Empire of Cats Chapter 2
Level MAX +10 	None
The Cat Cannon Range may not upgrade past level 10 or to + levels.	The Cat Cannon Range may not upgrade past level 10 or to + levels.
==Calculating Stats==
Each Cat has an individual preset value for their base Health and Attack Power called an Initial Stat. This Initial Stat is used to determine the value of the cat's Health and Attack Power based on their current level - as shown below.
Each time cats are leveled up, they gain +20% of their initial stats, e.g. a level 1 cat with 100 HP will have 120 HP in level 2.
Stats at level n = Initial Stat + (n - 1) * (Initial Stat * 20%)
When the Legendary Cat Shield and/or the Legendary Cat Sword are activated their effect gives a direct increase to the value of the corresponding Initial Health and/or Attack Power stat. This effect is independent of the growth rate calculation, which is used to determine a cat's health and damage at their current level
A neater expression of the level formula above, which includes the effect of the Treasure Bonus increase and does the same job is:
\text{Stats at level }n = \Bigl\lfloor \text{round}\left(\text{Initial Stat} \cdot \frac{n+4}{5} \right) \cdot \text{TB} \Bigr\rfloor
*TB = Treasure Bonus Multiplier = 1.5, 2.0 or 2.5 at 100%, 200% or 300% respectively
*n is the cat unit level, as listed above; use this formula when n < m
*The symbols ⌊ ⌋ represent the floor function, which essentially removes any decimals from the number between them.
===Higher-Level Cats and Level Reduction Points===
For game balance the stats formula above that adds 1/5th (or 20%) of the Initial Stat to next level is tiered to add a reduced 1/10th (or 10%) of Initial Stat to next level for higher level cats, then reduced even further to add just 1/20th (or 5%) of the Initial Stat per next level for very high level cats at specific points, for certain types, as detailed below.
Gacha Cat and Principal Cat are currently the only Cats that don't follow this rule.
Type 	(m) 1st Reduction Point ( 1/10th Initial)	(p) 2nd Reduction Point ( 1/20th Initial )
Normal Cats 	Level 60 	
Special Cats 	Level 60 	
Bahamut Cat
(Special)	Level 30 	
Rare Cats 	Level 70 	Level 90
Super Rare Cats 	Level 60 	Level 80
Crazed Cats
(Super Rare)	Level 20 	
Uber Super Rare Cats	Level 60 	Level 80
Here is an updated formula for high-leveled Cats between the 1st reduction point (m) and 2nd reduction point (p):
\text{Stats at level }n = \Bigl\lfloor \text{round}\left(\text{Initial Stat} \cdot \left( \frac{m+4}{5} + \frac{n-m}{10} \right) \right) \cdot \text{TB} \Bigr\rfloor
*TB = Treasure Bonus Multiplier = 1.5, 2.0 or 2.5 at 100%, 200% or 300% respectively
*m is the first reduction point, as listed above; use this formula when m < n < p
*The symbols ⌊ ⌋ represent the floor function, which is explained above.
Here is the updated formula for very high level and hypermaxed Cats beyond the 2nd reduction point (p):
\text{Stats at level }n = \Bigl\lfloor \text{round}\left(\text{Initial Stat} \cdot \left( \frac{m+4}{5} + \frac{p-m}{10} + \frac{n-p}{20} \right) \right) \cdot \text{TB} \Bigr\rfloor
*TB = Treasure Bonus Multiplier = 1.5, 2.0 or 2.5 at 100%, 200% or 300% respectively
*m is the first reduction point, and p is the second reduction point; use this formula when n > p.
*The symbols ⌊ ⌋ represent the floor function, which is explained above.
====Applying the Equations (examples)====
To illustrate how to apply the equations we provide you with a few examples, using Metal Cat, Vaulter Cat and Ramen Cat
Below we provide an understanding of the mechanics of the equation, calculated using Metal Cat's HP at level 7, 12, 13, 18 and 20 with maximum Legendary Cat Shield activated.
Metal Cat	1st Calculating the Stats 	Rounding 	2nd Adding the Treasure Bonus	Calculated Stat
Level n 	Initial Stat * ((n + 4)/5) = x	round (x)	round (x) * TB = y 	floor (y)
Level 7 	1 * ((7 + 4)/5) = 2.2 	2 HP 	2 * 2.5 = 5.0 	5 HP
Level 12 	1 * ((12 + 4)/5) = 3.2 	3 HP 	3 * 2.5 = 7.5 	7 HP
Level 13 	1 * ((13 + 4)/5) = 3.4 	3 HP 	3 * 2.5 = 7.5 	7 HP
Level 18 	1 * ((18 + 4)/5) = 4.4 	4 HP 	4 * 2.5 = 10.0 	10 HP
Level 20 	1 * ((20 + 4)/5) = 4.8 	5 HP 	5 * 2.5 = 12.5 	12 HP
Treasure Bonus Multiplier = 2.5x
Below are examples using the simple equation for Vaulter Cat's HP at level 20, 25 and 40 with maximum Legendary Cat Shield activated.
\text{Stats at level }20 = \Bigl\lfloor \text{round}\left(450 \cdot \frac{24}{5}\right) \cdot 2.5 \Bigr\rfloor = 5,400 \text{ HP}
Here, Treasure Bonus Multiplier = 2.5, Initial Stat = 450, and (n+4) = (20+4) = 24.
\text{Stats at level }25 = \Bigl\lfloor \text{round}\left(450 \cdot \frac{29}{5}\right) \cdot 2.5 \Bigr\rfloor = 6,525 \text{ HP}
Here, Treasure Bonus Multiplier = 2.5, Initial Stat = 450, and (n+4) = (25+4) = 29.
\text{Stats at level }40 = \Bigl\lfloor \text{round}\left(450 \cdot \frac{44}{5}\right) \cdot 2.5 \Bigr\rfloor = 9,900 \text{ HP}
Here, Treasure Bonus Multiplier = 2.5, Initial Stat = 450, and (n+4) = (40+4) = 44.
Below are examples for calculating Ramen Cat's HP at level 25, 75 and 95, to showcase how to calculate the stats of a unit that surpasses 1st and/or 2nd reduction point, with maximum Legendary Cat Shield activated.
\text{Stats at level }25 = \Bigl\lfloor \text{round}\left(1050 \cdot \frac{29}{5}\right) \cdot 2.5 \Bigr\rfloor = 15,225 \text{ HP}
Here, Treasure Bonus Multiplier = 2.5, Initial Stat = 1050, m = 70, p = 90, and (n+4) = (25+4) = 29.
\text{Stats at level }75 = \Bigl\lfloor \text{round}\left(1050 \cdot \left(\frac{74}{5} + \frac{5}{10}\right)\right) \cdot 2.5 \Bigr\rfloor = 40,162 \text{ HP}
Here, Treasure Bonus Multiplier = 2.5, Initial Stat = 1050, m = 70, p = 90, and (n+4) = 74 which is greater than m, therefore (m+4) = 74 and (n-m) = 5.
\text{Stats at level }95 = \Bigl\lfloor \text{round}\left(1050 \cdot \left(\frac{74}{5} + \frac{20}{10} + \frac{5}{20}\right)\right) \cdot 2.5 \Bigr\rfloor = 44,757 \text{ HP}
Here, Treasure Bonus = 2.5, Initial Stat = 1050, (n-1) = 94 which is higher than p, therefore (m+4) = 74, (p-m) = 20, and (n-p) = 5.
==Effect on Base Upgrades==
*Cat Cannon Power - Increases Cat Cannon attack power by 50 and Cat Cannon recharge time by 50 frames per level.
*Cat Cannon Range - Increases Cat Cannon attack range. It starts at 3 Cannon waves (different that regular waves) and increases by 1 per level.
*Cat Cannon Charge - Decreases Cat Cannon recharge time by 50 frames per level.
*Worker Cat Rate - Increases the rate of income by 3¢ per second per level.
*Worker Cat Wallet - Increases the Worker Cat's wallet, increasing upper limit of income. Adds 100 starting wallet per level, +50 per Worker Cat level while in the stage.
*Base Defense - Increases the health of the Cat Base by 1,000 HP per level.
*Research - decreases Cat recharge time. It has no effect at level 1, but from level 2 and after, recharge time will be decreased by 0.2 seconds (at level 20+10, the recharge time is decreased by 5.8 seconds).
*Accountant - Increases the money earned when an enemy is defeated. It has no effect at level 1, but from level 2 and after, money earned from enemies will be increased by 5% (at level 20+10, the money drop from enemies is increased by 145%).
*Study - Increases the amount of XP received when clearing a stage. It has no effect at level 1, but from level 2 and after, XP will be increased by 5% (at level 20+10, the XP received when clearing a stage is increased by 145%).
*Cat Energy - Increases the limit of Cat Energy by 10 per level.
==XP Costs==
===Common Upgrade Costs===
====Rare Cats====
:Not all cats of this rarity use this XP curve.
:Not all cats that use this XP cost are Rares.
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====Super Rare Cats====
:Not all cats of this rarity use this XP curve.
:Not all cats that use this XP cost are Super Rares.
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====Uber Rare/Legend Rare Cats====
:Not all cats of this rarity use this XP curve.
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====Legend Cats====
:Valkyrie Cat and Bahamut Cat don't follow this XP curve.
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====Common Cost #1====
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====Common Cost #2====
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====Common Cost #3====
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====Common Cost #4====
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====Common Cost #5====
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===Uncommon XP Costs===
====Uncommon #1====
:This is used by Moneko, Yamaoka Minori, Nakamura Kanae, and Gacha Cat.
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====Uncommon #2====
:This is used by Kerihime and Cat Princess.
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====Uncommon #3====
:This is used by Salaryman Cat and Reindeer Fish Cat.
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====Uncommon #4====
:This is used by Droid Cat and Adult Cat.
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====Uncommon #5====
:This is used by Evil Cat, Doll Cats, and Yankee Cat.
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====Uncommon #6====
:This is used by Axe Cat and Red Marron.
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====Uncommon #7====
:This is used by Cat, Gold Cat, and Killer Cat.
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====Uncommon #8====
:This is used by Gross Cat, Nekondo, Baozi Cat, and Catburger.
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====Uncommon #9====
:This is used by Rathalos and Rathian.
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==Trivia==
*The Cat God and Cheetah Cat are the only characters in the Upgrade Menu that can't be leveled up through any means.
*Normal Cats are the only cats that evolve into their True Form automatically by leveling up.
Category:Game Features