You completed level 2.
You killed 50 enemies in a row.
You killed 25 enemies in a row.
You rescued 10 hostages.
You killed 500 enemies.
You killed 10 enemies in a row.
You died 10 times.
You rescued your first hostage.
You killed 50 enemies.
You died for the first time.
You killed your first enemy.
You killed 5000 enemies.
You died 50 times.
You died 100 times.
You rescued 25 hostages.
You rescued 50 hostages.
You killed 100 enemies in a row.
You completed level 3.
You completed level 4.
You completed level 5.
You completed level 6.
You completed level 7.
You completed level 8.
You completed all the levels.