Alien Marauder achievements

Spend 1000k gold in Last Stand games.

Suvive 20 waves in a single Last Stand:Endless game.

Clear a survival game on difficulty 3.

Clear Frozen Snowfield on Hell difficulty or above

Clear Golden Desert on Suicide difficulty or above

Score 100k points in a single survival game.

Spend 10000k gold in Last Stand games.

Obtain 1000k Crystals

Survive all waves in a single Last Stand:Endless game on Hell difficulty.

Win 3 games.

Clear a survival game on difficulty 5.

Obtain 100k Crystals