It's probably because it was too late for a true sequel to arrive. When the market was ready to receive another Angry Birds they threw 2 or 3 other games that w

It's probably because it was too late for a true sequel to arrive. When the market was ready to receive another Angry Birds they threw 2 or 3 other games that where exactly like the first one. If the second was Angry Birds 2, it would be better received.