New Enemies

Cats of the Cosmos Chapter 4 will introduce a lot more new Starred Alien enemies than an additional CotC chapter would normally introduce. It also introduces a Non-Starred alien and other new enemies. Here are the enemies in the order and stage they're introduced in:

Xanqund II (Earth)

Cobralien (Mars)

Cobralien Elite (Mars)

Invader X. Uys (Red Rectangle)

Kintucky F. C. (Canopus)

Commander Xyre A. (Corona)

Mr. Crabbe (Plumpit)