Death cards can be found in the following locations. Collect a death card to unlock its effect in Co-op mode: 1. Undead Soldier Effect: Enemies come back from the dead. Location: Close to the beginning of the "Eviction" mission. Its well hidden inside a drop-down location against the wall.
2. Suicide King Effect: Fire explosive pistol rounds while downed. Locatation: Near the middle of the "Hard Landing" mission. Its in a building on the lower level.
3. Vampire Effect: You can only regenerate your health by getting kills. Locatation: Near the middle of the "Burn em out" mission. Its near the back area of a bunker just before the second mortar position. Its a bit difficult to see as its hiding in the shadows.
4. Body Armor Effect: Enemies die by headshot only. Locatation: near the middle of the "Ring of Steel" mission. The card is located next to a dead soldier in the exterior section of the asylum. Right next to a wall connected to the asylum.
5. Painkiller Effect: Shoot co-op teammates to revive them. Locatation: Close to the beginning-middle of the "Blowtorch & Corkscrew" mission. Its on the left well as you advance to the second bunker. Look for a soldier hanging upside down along the wall.
6. Flak Jacket: Effect: Enemies take less explosive damage. Location: Near the end of the "Relentless" mission. It doesnt matter which passage you take, as the death card is located after that. Its midway down the hall in a corridor that connects the paths.
7. Thunder Effect: Headshots cause enemies to explode. Location: in the beginning in "Semper Fi". Its in a shack right at the start.
8. Sticks & Stones Effect: Your weapon arsenal consists of a knife and a bunch of rockets. Location: Near the end of the "Their Land , Their Blood" mission. Its hidden inside the barn. Search the stalls next to a dead soldier and a couple of dead cows.
9. Paintball Effect: Gunfire turns a little more colorful. Location: In the beginning of the "Heart of the Reich" mission. Its located in a closed off subway entrance opposite of your start location.
10. Cold Dead Hands Effect: Enemies take their weapons with them to the grave. Location: In the beginning of the "Vendetta mission". Its located behind the bar, inside the first building Reznov takes you through.
11. Hard Headed Effect: Enemies take less bullet damage. Location: Near the end of the mission in "Little Resistance". Its just outside the final building to the right of the entrance.
12. Berserker Effect: Get 3 kills in 5 seconds to unleash Berserker. Location: near the middle of the "Breaking Point" mission. After clearing all 4 mortar pits, look in the small shack located in the south of the area.
13. Victory Effects: Limited HUD , Friendly Fire = On , Bleed Out time is cut in half. Location: Near the beginning of the "Downfall" mission. Between the staircase and the theater, your soldiers break through a door on your right. Inside, find the last Death Card.