User Rank

User Rank will be unlocked after completing chapter 2. This feature appears since the version 3.0.0 of the Japanese Version and 2.0.1 of the English one.

Rank of the player is the sum of the levels of all cat units they have: thus, each time you level up a cat, the rank is increased by one. Reaching a certain rank will grant you a reward: at the first rank (800), you get 1 rare ticket, above you can unlock higher level limit for cats. For example, you can't level up Special Cats over level 20 until you reach the rank of 1600.

Before completing Chapter 2
Initial Level (+ value) upper limit:
 * Normal Cats: Level 10+19
 * Special/ EX Cats: Level 10
 * Rare Cats: Level 10 + 9
 * Super Rare Cats: Level 10+9
 * Uber Rare Cats: Level 10+9

Reference

 * http://battlecats.spica-net.com/explanation/rank.html