As seen here:
http://www.rockpapershotgun.com/?p=522
you'll need to replace the island map in the game files (more detailed instructions via the link above) with this modified version (demo funmap #5). This gives you access to a heap of new weapons (my favourite would have to be the nuke launcher ) and a variety of land, air and sea vehicles.
http://www.rockpapershotgun.com/?p=522
you'll need to replace the island map in the game files (more detailed instructions via the link above) with this modified version (demo funmap #5). This gives you access to a heap of new weapons (my favourite would have to be the nuke launcher ) and a variety of land, air and sea vehicles.