I checked some games:
http://www.atarilegend.com/games/gam...?game_id=5409# no music, collision detection with some unexpected glitches, basic & odd sounds, good gfx, main hero is little too slow
http://www.atarilegend.com/games/gam...p?game_id=5042 nice Dizzy clone but jumping is horrible, you can hear music from Sanxion/Extirpator on title screen
http://www.atarilegend.com/games/gam...p?game_id=3521 Montezuma's Revenge clone, very similar 8-bit playability, but it's good game with weird main hero
http://atarilegend.com/games/games_d...p?game_id=4082 you can name it Flood 2
bombs/grenades bounce & explode with similar effect