By meeting certain criteria within the game, you can unlock these badges.

Badge	How to unlock
Badge	Unlock Bonus Zone 9.
Badge	Fill 05 cells simultaneously.
Badge	Fill 02 cells simultaneously.
Badge	Kill 20 enemies simultaneously.
Badge	Kill 10 enemies simultaneously.
Badge	Kill 05 enemies simultaneously.
Badge	Kill 02 enemies simultaneously.
Badge	Reach Max Vektor, Ver. 25.0.
Badge	Reach Vektor Ver. 20.0.
Badge	Fill 10 cells simultaneously.
Badge	Fill 20 cells simultaneously.
Badge	Unlock Bonus Zone 8.
Badge	Unlock Bonus Zone 7.
Badge	Unlock Bonus Zone 6.
Badge	Get 150 stars.
Badge	Get 100 stars.
Badge	Get 050 stars.
Badge	Get 025 stars.
Badge	Get 010 stars.
Badge	Reach Vektor Ver. 15.0.
Badge	Reach Vektor Ver. 10.0.
Badge	Reach Vektor Ver. 5.0.
Badge	Complete Chapter 4.
Badge	Complete Chapter 3.
Badge	Complete Chapter 2.
Badge	Complete Chapter 1.
Badge	Destroy 100 Munchers.
Badge	Destroy 100 Interceptors.
Badge	Destroy 100 Hunters.
Badge	Destroy 100 Locusts.
Badge	Boostenate into 010 enemies.
Badge	Boostenate into 025 enemies.
Badge	Detonate 200 enemies.
Badge	Detonate 100 enemies.
Badge	Detonate 050 enemies.
Badge	Detonate 025 enemies.
Badge	Detonate 010 enemies.
Badge	Boostenate into 200 enemies.
Badge	Boostenate into 100 enemies.
Badge	Boostenate into 050 enemies.
Badge	Destroy 100 Patrols.