Doom Sweeper achievements

Upgrade of basic Doomsday Defense in the store to the maximum level

All enhanced items in the store have been purchased

Killed 20 survivors in a single game.

Rescued a total of 100 survivors.

Upgrade miniature black hole in the store to the maximum level

Upgrade worn-out Deadly Targeting System in the store to the maximum level

Opened money bags 20 times from the super weapon crate

Complete the evolution of the meteor super weapon