Call of Juarez: The Cartel achievements

Use 10 different weapons to kill enemies.

Unlock at least 10 new weapons in the campaign mode.

Successfully pick up 15 secret items.

Kill 50 enemies with headshots.

Kill at least 40 enemies during Gang Bang mission.

Collect at least 75% of secret items on any level, without being caught.

Successfully finish two Secret Agendas.

Kill at least 3 enemies in a row while being severely wounded.

Finish the first chapter.