Simulating Altera FPGAs with an old version of ModelSim?
Well theoretically it should work, the only thing you need to do is to compile your libraries in modelsim. 
One thing I don't understand is why do you think your files would not work with modelsim? Is it because you are using Verilog 2001 or syntax that is not supported?
As long as your code is written in high level language like verilog and VHDL, you will be able to fix it so it can work with older version of Modeslsim.