Domino kills occur when one target falls on or is pushed into another target. Commonly occurs when the player shoots the glass barricade a guard is leaning on to have the guard fall onto another.

Shoot a target with an explosive round.

OR

Shoot an explosive object when a target is standing nearby (heat lamp, electric panel)

Take out targets with no more than 5 seconds between each takedown.

Perform the indicated type (headshot chain, quick kill chain etc) of takedown on multiple targets without changing the type of takedown in between.

Any kill which the guards cannot determine the source. Some elements within the Montenegro map can be used (heatlamps, fuse boxes etc.) as well as some weapons Abilities.

Takeout the primary target to start the extraction timer. During the 10 second countdown, perform any takedown on remaining targets in the map.

Hide dead bodies by knocking them off ledges, into pools or off the cliff side to prevent guards from raising the alert level.

Kill a target at over 250 meters.

Kill a target by shooting through walls and scenery.