Here is the full list of all 29 Tricky Towers achievements.
Finish trial #21 without using any magic.
Unlock the expert trials.
Unlock the pro trials.
Unlock the apprentice trials.
Stomp on 5 bubbled bricks without dropping them in the water.
Drop the moon.
Connect 7 bricks with 1 ivy spell.
Get a brick count of 20 or higher in a puzzle match.
Do a 180 with the roof in race mode.
Win an online survival match with 1 heart left.
Win an online game of every mode in every difficulty at least once.
Win an online match.
Complete trial #50 without losing a heart.
Complete all trials.
Build a tower with 99 bricks in endless survival challenge without losing any hearts.
Complete trial #40 without using any magic.
Win a normal race match within 80 seconds without dropping any bricks.
Finish trial #6 with 3 hearts left without picking up a spell.
Survive the 8th wave in survival special mode or in endless survival challenge.
Finish trial #8 with at least 52 seconds left on the clock.
Build a tower with 99 bricks in Endless Survival Challenge.
Complete trial #30 without rotating a brick.
Unlock the master trials.
Place 66 bricks in endless survival challenge.
Finish trial #20 one unit below the zapper.
Use all magic spells once.
Win an online normal survival match without using any magic.
Build a tower of 99 bricks in endless puzzle mode.
Win an online cup.