Rock Impact Sound Effects by Sound Design Experts is an excellent set of bursting rock hits. Included are four different versions in both wav and mp3. These work especially well in games, as the variations will help mix up the gameplay. Enjoy!

1. Rock Impact 1: 0:02
2. Rock Impact 2: 0:02
3. Rock Impact 3: 0:02
4. Rock Impact 4: 0:02