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