Here is the full list of all 26 7 Wonders: Ancient Alien Makeover achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Earn 4 Extra Power-ups.
Complete a Wonder in exactly 7 levels.
Have 5 Cross bonuses on the board at one time.
Complete a Wonder with a 4-Star rating.
Complete a Wonder without using an Extra Power-up.
Complete a Wonder without using a shuffle.
Complete the first Wonder.
Relocate any building or decoration to another location.
Construct the first building in your village.
Collect the maximum amount of resources in a level.
Match the Time Bonus.
Complete all Wonders with a 4-Star rating.
Unlock all bonus mini-games.
Complete 4 Wonders in the minimum amount of levels required.
Unlock all buildings for your village.
Complete all Wonders.
Complete all Wonders on any timed difficulty mode.
Blast 300 Cross bonuses.
Blast 500 Line bonuses.
Blast 400 Wormhole bonuses.
Collect 15 coins in the game.
Complete all levels in the Diamond Domino Mine game.
Complete all Wonders with no time outs.
Unlock 5 bonus mini-games.
Complete all levels in the Research Lab game.
Populate your village with 5 trees.