Here is the full list of all 11 Bacon Tales - there are Between Pigs and Wolves achievements.
Befeat all bosses with all the three heroes
Do not lose any barricade from level 2 and on
Spawn 50 Farmer Pigs
Kill 30 wolves using Piglet Trough
Kill 30 wolves using Cowboy Pig
Finish the game without losing at any level
Spawn a Sentinel, a Watch Tower and a Brick Wall at the same level
Make Bad Wolf to throw up units form all types.
Recycle 50 barriers of any type
Do not use any melee unit from level 5 and on
Kill the Bad Wolf