Atarius Maximus has released another update to his “Adventure Game”.

Changes for this revision:

1. Changed the random locations of the hidden keys for the locked cave entrances.
2. Changed the boulder movement in the rail car sequence when there is a collision.
3. All screens (except for hidden rooms and mini-games) now have the earthquake effect when you fire your gun, however you only get the falling rocks when you’re inside of a locked cave. If you touch the playfield, you get the rumble sound. When you fire your gun, it’s still just the gunfire sound.

http://www.atariage.com/forums/index.php?showtopic=108757&st=225