Kill 100 viruses Tier 1

Kill 100 viruses Tier 2

Kill 100 viruses Tier 3

Kill 100 viruses Tier 4

Kill 100 viruses

Kill 500 viruses Tier 1

Kill 500 viruses Tier 2

Kill 500 viruses Tier 3

Kill 500 viruses Tier 4

Kill 500 viruses

Kill 1000 viruses Tier 1

Kill 1000 viruses Tier 2

Kill 1000 viruses Tier 3

Kill 1000 viruses Tier 4

Kill 1000 viruses

Kill 5000 viruses Tier 1

Kill 5000 viruses Tier 2

Kill 5000 viruses Tier 3

Kill 5000 viruses Tier 4

Kill 5000 viruses

Kill 10 Bosses T1

Kill 10 Bosses T2

Kill 10 Bosses T3

Kill 10 Bosses T4

Kill 50 Bosses T1

Kill 50 Bosses T2

Kill 50 Bosses T3

Kill 50 Bosses T4

Kill 100 Bosses T1

Kill 100 Bosses T2

Kill 100 Bosses T3

Kill 100 Bosses T4

Have collected 100 stars

Have collected 500 stars

Have collected 1000 stars

Have collected 5000 stars

Have collected 100 gold stars

Have collected 250 gold stars

Have collected 500 gold stars

Have unlocked the Tier 2 soldier

Have unlocked the Tier 3 soldier

Have unlocked the Tier 3 soldier

Have unlocked the Tier 2 vaccine

Have unlocked the Tier 3 vaccine

Have unlocked the Tier 4 vaccine

Have purchased 10 medicines

Have purchased 50 medicines

Have purchased 100 medicines

Have purchased 10 specials magazines

Have purchased 50 specials magazines

Have purchased 100 specials magazines

Survived 100 times with 100% life

Survived 500 times with 100% life

Survived 1000 times with 100% life

Finished 100 times with 100% accuracy

Finished 500 times with 100% accuracy

Finished 1000 times with 100% accuracy

Survive 100 times without using medication

Survive 500 times without using medication

Survive 1000 times without using medication

Survive 100 times without using a special magazine

Survive 500 times without using a special magazine

Survive 1000 times without using a special magazine

Have unlocked the campaign #2 in normal mode

Have unlocked the campaign #3 in normal mode

Have unlocked the campaign #4 in normal mode

Have finished the normal mode

Have unlocked all the gold stars in campaign #2

Have unlocked all the gold stars in campaign #3

Have unlocked all the gold stars in campaign #4

Have unlocked the campaign #2 in hard mode

Have unlocked the campaign #3 in hard mode

Have unlocked the campaign #4 in hard mode

Have finished the hard mode

Have unlocked all gold stars in Campaign #2 Hard

Have unlocked all gold stars in Campaign #3 Hard

Have unlocked all gold stars in Campaign #4 Hard

Have unlocked the campaign #2 in hell mode

Have unlocked the campaign #3 in hell mode

Have unlocked the campaign #4 in hell mode

Have finished the hell mode

Have unlocked all the gold stars in campaign #2 hell

Have unlocked all the gold stars in campaign #3 hell

Have unlocked all the gold stars in campaign #4 hell

Survived up to 10 minutes without medicine

Survived up to 20 minutes without medicine

Survived up to 30 minutes without medicine

Survived up to 40 minutes without medicine

Survived up to 50 minutes without medicine

Survived up to 60 minutes without medicine

Survived wave #25 without medicine

Survived wave #50 without medicine

Survived wave #75 without medicine

Survived wave #100 without medicine