Drone Attack: Pig Irruption has received some major updates to enhance your gaming experience.

What's New v1.1.0, v1.1.1, v1.2.0:

• Added balls indicating multiple enemy kills
• Introduced pig emotions for a more engaging experience
• Redesigned interface buttons
• Added quick access to bombs
• Added pulsating sto…

adrianl3d said:
In the absence of such a list/convention I shall have to resort to Tom's suggestion and spend some time running thru existing games

Just do it. Nobody has published a list.