Board Thread:General Discussion/@comment-27900802-20160723181753

the wikia page seems missing out some newer cat combo, so this is the list what you guys missed. (i would like to add myself, but looks like i'm not familiar with wikia editting. sorry)

From Update BCEN v5.1

Toying Around - Tin Cat, Flower Cat, Cat-o-Tron - Accounting Power Up Small

Rich and Poor - Cat, Gold Cat - Starting Money Up Small

Koi And Dragon - Koi Cat, Kamukura - Cat Cannon Recharge Up Medium

Playing Slayer - Brave Cat, Dioramos - Strong Effect Up Small

As Above, So Below - Flying Cat, Sodom - Weaken Effect Up Small

Future of War - Mekako Saionji, Drone Cat - Strong Effect Up Small

Bazooka Bros. - Super Mr, Red Riding Mina - Cat Cannon Power Up Small

Rivalry - Red Riding Mina, Valkyre Cat - Worker Cat Start Level Up Small

Heavenly Kings - Immortal Yukimura, Awakened Bahamut, Manic Lion Cat - Massive Damage Effect Up Small

From Update BCEN v5.2

Sweep the Area -Mr, Raiden - Cat Cannon Power Up Small

Steel Saviors - Cat-o-tron, Cat Machine - Resistant Effect Up Small

Galactic Travels - Space Cat, Super Galaxy Cosmo - Unit Speed Up Small

Struck by Lightning - Thundia, Skelecat - Massive Damage Up Small

Neckless Chic - Jamiera, Balalan Pasalan - Knockback Effect Small

Blue Lagoon - Guardian Gamereon, Island - Accounting Power Up Small

Dog Gods - Ururun Wolf, Anubis the Protector - Cat Cannon Power Up Small

Volcanic Fury - Takeda Shingen, Manic Island Cat - Cat Cannon Start Level Up Medium

i don't exactly remember how i unlocked them, but i think it's from user rank reward. 