Here is the full list of all 18 Eggs 1942 achievements.
The Egg Invasion completed!
Egg Raid completed!
You cracked 500 eggs. That's a big omelette!
Saving Private Egg completed!
Operation Egg completed!
You cracked an egg. Wow!
You cracked 100 eggs!
The Battle for Egg Island completed!
You cracked 2,500 eggs. Blimey!
You cracked 5,000 eggs!
You cracked 1,000 eggs!
You got a 5 crack combo!
You got a 15 crack combo!
You got a 25 crack combo!
You got a 50 crack combo!
As a Scout Egg you activated the Speed Shield for over 2 seconds!
As a Scout Egg you activated the Speed Shield for over 5 seconds!
As a Scout Egg you activated the Speed Shield for over 10 seconds!