Here is the full list of all 24 Castles achievements.
Make a 5 blocks combination
Make 100 repoker
Break 9 blocks with the same dinamite
Kill your partner 20 times with the hammer
Kill your buddy with dinamite
Kill yourself with dinamite
Set 50 dinamite barrels
Break 50 blocks with the hammer
Defeat the Moleman
Derrota a los gemelos
Defeat the Titan
Defeat the Spider
Defeat the Gyrocopter
Defeat the Girocopter with a Repoker
Get to 2 minutes on Survival Mode
Get to 5 minutes on Survival Mode
Get to 7 minutes on Survival Mode
Finish the Story Mode
Break a block of each with the hammer
End a match without completing any challenge
Play a game on VS Mode
Defeat 20 comrades on VS Mode
End a VS match with a Speed bar full and the other empty
Send a Repoker to your rival on VS Mode