Use gold finishes, zebra stripes, or jigsaw patterns to intentionally increase "Aggro," forcing enemies to focus on you while your partner flanks. JTAG/RGH Specific Capabilities Army of Two: The 40th Day for Xbox 360 Video Review
A "Lego with guns" system where you can swap parts between different weapons, such as adding one rifle's barrel to another. Army of Two The 40th Day [Jtag/RGH]
For a JTAG/RGH setup, a comprehensive feature list includes: Use gold finishes, zebra stripes, or jigsaw patterns