Castlevania: Lords of Shadow is a fun game to play.   Read our review to find out how much we enjoyed it.  It looks like the developers at Mercury Steam had a little fun of their own inserting video game referencing Easter Eggs.

Legend of Zelda Orcania of Time:

Portal:

Metal Gear Solid:

Metal Gear Solid 4 – Unlockable Solid Snake Bandana and Solid Eye: