«Every version of Hitchhiker's has been slightly different and this movie is no exception: it features several major new additions to the plot that Douglas himself introduced in scripts penned shortly before he passed away in 2001. (scifimoviepage.com)
I guess even the presence of those buffs and debuffs is a major new addition, since the first game had none. (toucharcade.com)
The difference between Framed and Framed 2 are minuscule, with no major new additions other than improving on the first game's mechanics by possibly adding a third vertical path or a maze of rotating panels. (miketendo64.com)