Here is the full list of all 24 Block Survival: Legend of the Lost Islands achievements.
Reached the island of the Aztecs.
Dust doesn't taste too good, does it?
Upgraded a weapon to maximum level
Killed 400 enemies.
Collect one thousand gold cubes
Craft your first usable item.
Killed 100 enemies, which is a full company, but not the business kind.
Kill 20 enemies while they're on fire. Burn baby, burn!
Defeat your first Island King.
Because you bought grenades! Or maybe not. Either way, here's an achievement for your first purchase from the Store Guy!
Upgraded a weapon for the first time
Killed 50 enemies, which may or may not include Charlie Sheen
Open your first treasure chest
Craft an item that you do not have a recipe for
Craft your first weapon.
Get your first recipe
Game on!
Escaped the Lost Islands
Watched the complete credits. Thank you so much for playing the game!
Reached the dinosaur island
Reached the volcanic island
Broke reality
Start a game of New Game +
Finished a game of New Game+