Atlantis: Disco mode: Score at least 30,000 points.
Boxing: Commercial: Win a match against the CPU.
Chopper Command: Commercial: Score at least 4,000 points.
Chopper Command: Motion blur mode: Score at least 6,000 points.
Chopper Command: Patch: Score at least 8,000 points.
Decatholon: Patch: Score at least 8,000 points.
Decatholon: Patch: Score at least 9,000 points.
Dragster: Patch: Get a time of 6.5 seconds or less in a race.
Enduro: Patch: Drive at least 250 miles.
Fishing Derby: Distortion mode: Win a game against the CPU.
Freeway: Commercial: Score at least 30 points on game 1.
Freeway: Patch: Score at least 10 points on game 3.
Frosbite: Vertical Hold mode: Score at least 4,000 points
Ice Hockey: Commercial: Score a goal with the goalie.
Ice Hockey: Patch: Wing a game against the CPU.
Kaboom: Commercial: Score at least 150 points.
Kaboom: Patch: Score at least 200 points.
Keystone Kops: Patch: Score at least 10,000 points.
Laser Attack: Patch: Score at least 10,000 points.
Laser Attack: Patch: Score at least 100,000 points.
Laserblast: Commercial: Score at least 200 points.
Megamania: Starfield mode: Score at least 5,000 points
Megamania: Commercial: Score at least 15,000 points.
Pitfall: Commercial: Score at least 15,000 points.
Pitfall: Patch: Score at least 20,000 points.
Pitfall 2: Badge: Score at least 50,000 points.
Pitfall 2: Cube mode: Score at least 10,000 points.
Plaque Attack: Patch: Score at least 10,000 points.
Plaque Attack: Whirl mode: Score at least 7,500 points.
Riveraid: Commercial: Score at least 8,000 points.
Riveraid: Patch: Score at least 12,000 points.
Riverraid: Cloud mode: Score at least 4,000 points.
Skiing: Commercial: Win the first game mode with a good time by not
hitting any obstacles.
Space Shuttle: Patches: Complete the game to unlock two patches.
Spider Fighter: Patch: Score at least 40,000 points.
Spider Fighter: Tilt-o-vision mode: Score at least 10,000 points.
Stampede: Multi-vision mode: Score at least 1,000 points in game 1.
Stampede: Commercial: Score at least 1,000 points in game 3.
Tennis: Patch: Win a game against the CPU.
Tennis: Commercial: Win a game against the CPU.
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