Just cause 2 collectibles/destructibles increased visibility mod [closed]

It's not a mod, but you can load your save game into a map viewer and determine exactly what you need to find and where it is.

Unfortunately modding for Just Cause 2 is really difficult due to missing tools and SDK. This is probably the reason why the mod you ask for is still not available and probably it will never be.

I hope that for Just Cause 3 they will add more possibilities for modders.

But if it can help, I can say that when I bought the 'Black Market' Aerial Pack DLC that contains the cool Dual Parachute Thrusters my efficiency in researching collectibles has improved a lot. Thanks to the high maneuverability and the possibility to stay at a good height is really easier find that dammed last crate that you never found.