A cross promotion featuring the upcoming demos for Mass Effect 3 and Kingdoms of Amalur: Reckoning will unlock free content in the full titles, EA has announced.

By playing the Kingdoms of Amalur: Reckoning demo - released January 17 - gamers will receive two unlocks for Mass Effect 3 designed by the renowned creator of Spawn, when the game arrives on March 9:

Reckoner Knight Armour: This armour will maximize damage done in close-quarters combat while a beefed-up power cell feeds energy into weapon systems to increase projectile velocity.

This armour will maximize damage done in close-quarters combat while a beefed-up power cell feeds energy into weapon systems to increase projectile velocity. The Chakram Launcher: This weapon uses a fabricator to manufacture lightweight, explosive ammunition discs. This weapon is earned after completing the Reckoning demo and watching the trailer at the end.

Play the upcoming Mass Effect 3 demo and you'll unlock the following items for Reckoning when the game launches on February 10:

N7 Armour: Players can unlock special armour inspired by Commander Shepard's iconic N7 battle armour including Helm, Cuirass, Gauntlets, Chausses and Greaves.

Players can unlock special armour inspired by Commander Shepard's iconic N7 battle armour including Helm, Cuirass, Gauntlets, Chausses and Greaves. Omniblade Daggers: A holographic blade stemming from Commander Shepard's Omni-Tool, the Omni-blade allows players to stab enemies in close combat. Once players install and play the Mass Effect 3 demo, they will unlock the daggers.

In addition, playing the Reckoning demo will also unlock the following items for Reckoning:

Twist of Fate Card: This card boosts the player's ice resistance and is immediately unlocked when he or she activates the Reckoning demo using his or her Origin account.

This card boosts the player's ice resistance and is immediately unlocked when he or she activates the Reckoning demo using his or her Origin account. Twinned Souls Chakram: A unique weapon that damages enemies while boosting player health and mana in Reckoning.

A unique weapon that damages enemies while boosting player health and mana in Reckoning. The Infernal Helm: Unlocked after completing the Reckoning Tutorial Mode, this protective helmet increases players' fire damage throughout Amalur.

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It's great to see a promotion like this which doesn't require gamers purchase Reckoning to get the free Mass Effect items, instead encouraging they try out a demo of a game they might otherwise have not been interested in.

This collaboration also confirms that a Mass Effect 3 demo will be released before Reckoning's launch on February 10.