Here is the full list of all 24 Ninja Cats vs Samurai Dogs achievements.
Earn a survivor medal.
Earn a defender medal.
Earn a strategist medal.
Earned every strategist medal.
Earned every defender medal.
Earned all medals.
Completed the Frozen Country Trail.
Completed the Direct Trail.
Completed the Ancient Forest Trail.
Completed an optional skirmish.
Completed all Missions.
Completed all skirmishes.
Completed the final battle against the cats.
Completed the final battle against the dogs.
Completed a mission in less than 90 seconds.
Found all the artefacts.
Completed a quest.
Purchased all the might skills.
Purchased all the magic skills.
Purchased all the martial skills.
Completed a battle without building any troops.
Completed a battle with only archers.
Used soul absorption on a fallen spirit warrior.
Beat a skirmish level with a card to spare.