Mind Your Surroundings

Mind Your Surroundings is a trophy available in Resistance 2 's Single-Player Campaign for getting 50 indirect kills using explosive objects. Therefore you must blow up cars and oil canisters to kill enemies for the trophy, grenades and explosive weapons will not count.

Oil canisters can be found next to enemies you need to snipe at the beginning of the Bryce Canyon level and there are many cars in urban areas such as San Francisco, Twin Falls and Chicago.