Maybe somebody finds this collection helpful:
http://pi.ricsi.priv.at/ez-ricsi.zip
Inlcuded are these 50 games:
1942
2048
Avenger
Aztec Challenge
Battleships
Beamrider
Blizzard
Bubble Bobble
Buck Rogers
Burger Time
Burnin Rubber
C64anabalt
Commando
Defender
Dig Dug
Donkey Kong
Drelbs
Eliminator
Exploding Fist
Falcon Patrol 2
Fort Apokalypse
Frogger
Ghost'n Goblins
Giana Sisters
Gyruss
Hexagon
Krakout
Laser Zone
Lunar Lander
Moon Patrol
Motor Mania
Nebulus
Outrun
Pac-Man
Pitfall
Pitstop
Pole Position
Q*Bert
Quest for Tires
River Raid
Robotron 2048
Solar Fox
Space Action
Stix
Suicide Strike
Tapper
Tetris
Uridium
Wizard of Wor
Yie ar Kung-fu