Sure, but only if you know which commands/functions work in the newer version, because in newer versions, more commands/functions are developed, and some things are removed.
Run's House - 2005 That Guy - 5.9 was released on: USA: 3 September 2008
Run's House - 2005 Pass the Fame - 5.3 was released on: USA: 13 July 2008
Run's House - 2005 Mind on the Road - 5.1 was released on: USA: 16 July 2008
Run's House - 2005 That Guy 5-9 was released on: USA: 3 September 2008
Run's House - 2005 Pass the Fame 5-3 was released on: USA: 13 July 2008
Run's House - 2005 Age Against the Machine 5-7 was released on: USA: 6 August 2008
Run's House - 2005 Boneless Chicken Dinner 5-2 was released on: USA: 16 July 2008
Art Mann Presents - 2005 Run Paddle and Vomit 4-13 was released on: USA: 25 July 2008
Run's House - 2005 Rev's Old West Side 5-6 was released on: USA: 30 July 2008
Run's House - 2005 Say Hello to My Little Friend 5-10 was released on: USA: 3 September 2008
there isn't anything that can be done, if you buy a weapon with credits, it would run out after 100 uses, if you buy one with points, it would run out after a certain number of days.
The Office - 2005 Fun Run 4-1 was released on: USA: 27 September 2007 Netherlands: 7 May 2008 Spain: 15 September 2008 Hungary: 27 March 2009 Finland: 24 May 2011