Survive for 3 minutes in stage 1.

Survive for 3 minutes in stage 2.

Survive for 3 minutes in stage 3.

Survive for 3 minutes in stage 4.

Achieve 100 kills in stage 1.

Achieve 100 kills in stage 2.

Achieve 100 kills in stage 3.

Achieve 100 kills in stage 4.

Achieve 1,000 kills in stage 1.

Achieve 1,000 kills in stage 2.

Achieve 1,000 kills in stage 3.

Achieve 1,000 kills in stage 4.

Achieve 2,000 kills in stage 1.

Achieve 2,000 kills in stage 2.

Achieve 2,000 kills in stage 3.

Achieve 2,000 kills in stage 4.

Achieve 3,000 kills in stage 1.

Achieve 3,000 kills in stage 2.

Achieve 3,000 kills in stage 3.

Achieve 3,000 kills in stage 4.

Achieve 500 kills in stage 1.

Achieve 500 kills in stage 2.

Achieve 500 kills in stage 3.

Achieve 500 kills in stage 4.