Complete the indicated task to unlock the achievement.

Achievement	How to unlock
BUILD_FIRST_UPGRADE_BASE	BUILD_FIRST_UPGRADE_BASE.
BUILD_FIRST_UPGRADE_WALL	BUILD_FIRST_UPGRADE_WALL.
BUILD_FULL_UPGRADE_BASE	BUILD_FULL_UPGRADE_BASE.
BUILD_FULL_UPGRADE_WALL	BUILD_FULL_UPGRADE_WALL.
BUILD_HALF_UPGRADE_BASE	BUILD_HALF_UPGRADE_BASE.
BUILD_HALF_UPGRADE_WALL	BUILD_HALF_UPGRADE_WALL.
COMPLETE_1_WAVE	COMPLETE_1_WAVE.
COMPLETE_5_WAVE	COMPLETE_5_WAVE.
COMPLETE_9_WAVE	COMPLETE_9_WAVE.
GET_15000_GOLD	GET_15000_GOLD.
GET_5000_GOLD	GET_5000_GOLD.
GET_50000_GOLD	GET_50000_GOLD.
KILL_10_MONSTERS	KILL_10_MONSTERS.
KILL_100_MONSTERS	KILL_100_MONSTERS.
KILL_35_MONSTERS	KILL_35_MONSTERS.
KILL_50_MONSTERS	KILL_50_MONSTERS.
KILL_75_MONSTERS	KILL_75_MONSTERS.