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