Atlantis: Disco mode:
Score at least 30,000 points on game 1. 

Barnstorming: Patch:
Get a time of less than 55 seconds on game 3. 

Barnstorming: Commercial:
Get a time of less than 34 seconds on game 1. 

Beamrider: Patch:
Score 2500 points on game 8. 

Boxing: Commercial:
Score over 70 in a match to defeat 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. 

Crackpots: Patch:
Score at least 17,500 points. 

Crackpots: Bungee mode:
Score at least 25,000 points. 

Decathlon: Bronze patch:
Score at least 8,000 points in a single player game. 

Decathlon: Silver patch:
Score at least 9,000 points in a single player game. 

Decathlon: Gold patch:
Score at least 9,400 points in a single player game. 

Dolphin: Warped mode:
Score at least 10,000 points. 

Dolphin: Patch:
Score at least 15,000 points. 

Dolphin: Secret Society patch:
Score at least 25,000 points. 

Dragster: Patch:
Reset the game twenty times, either by winning or blowing an engine. 

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 or 7. 

Frosbite: Vertical Hold mode:
Score at least 4,000 points. 

Frosbite: Patch:
Score at least 12,000 points. 

Grand Prix: Commercial:
Get a time under 45 seconds in game 1. 

Grand Prix: Patch:
Get a time under 2:30 in game 4, under 1:30 in game 3, 
under 1:00 in game 2, or under 0:35 in game 1. 

Ice Hockey: Commercial:
Score 4 points in less than two minutes against the CPU. 

Ice Hockey: Patch:
Win a game against the CPU. 

Kabobber: Commercial:
Score at least 10,000 points. 

Kaboom: Commercial:
Score at least 150 points. 

Kaboom: Patch:
Score at least 200 points. 

H.E.R.O.: Disco mode:
Score at least 25,000 points. 

H.E.R.O.: Patch:
Score at least 75,000 points. 

Keystone Kapers: Patch:
Score at least 10,000 points. 

Laser Blast: Commercial:
Lose all lives. 

Laser Blast: Patch:
Score at least 10,000 points. 

Laser Blast: 1,000,000 Patch:
Score at least 100,000 points. 

Megamania: Starfield mode:
Score at least 5,000 points. 

Megamania: Commercial:
Score at least 15,000 points.
Information in this section was contributed by nwhite12. 

Megamania: Patch:
Score at least 45,000 points. 

Moonsweeper: Hyperspace mode:
Score at least 1,000 points. 

Oink!: Patch:
Score at least 5,000 points in game 1. 

Pitfall: Commercial:
Score at least 12,000 points. 

Pitfall: Patch:
Score at least 20,000 points. 

Pitfall 2: Cube mode:
Score at least 45,000 points. 

Pitfall 2: Patch:
Score at least 99,000 points. 

Plaque Attack: Whirl mode:
Score at least 7,500 points. 

Plaque Attack: Patch:
Score at least 10,000 points. 

Pressure Cooker: Patch:
Score at least 15,000 points. 

Private Eye: Patch:
Start case 3. 

River Raid: Cloud cover mode:
Score at least 4,000 points. 

River Raid: Commercial:
Score at least 8,000 points. 

River Raid: Patch:
Score at least 12,000 points. 

River Raid 2: Ricochet mode:
Score at least 16,000 points. 

Robot Tank: Breathing mode:
Destroy 37 enemy tanks. 

Robot Tank: Patch:
Destroy 48 enemy tanks. 

Seaquest: Patch:
Score at least 35,000 points. 

Skiing: Commercial:
Win game 1 with a time less than 35 seconds. 

Skiing: Patch:
Win game 3 with a time less than 32 seconds. 

Skyjinks: Patch:
Complete game 1 in 37 seconds. 

Space Shuttle: Patch:
Launch into space successfully. 

Space Shuttle: Commander patch:
Dock successfully. 

Spider Fighter: Patch:
Automatically unlocked when the timer reaches 300 seconds. 

Spider Fighter: Tilt-o-vision mode:
Automatically unlocked when the timer reaches 180 seconds. 

Stampede: Multi-screen mode:
Score at least 1,500 points in game 1. 

Stampede: Commercial:
Score at least 1,000 points in game 3. 

Stampede: Patch:
Score at least 1,500 points. 

StarMaster: Commercial:
Automatically unlocked when the timer reaches 300 seconds on the Ensign level. 

StarMaster: Ensign patch:
Automatically unlocked when the timer reaches 120 seconds. 

StarMaster: Leader patch:
Automatically unlocked when the timer reaches 300 seconds. 

StarMaster: Wing Commander patch:
Automatically unlocked when the timer reaches 180 seconds. 

StarMaster: Supreme StarMaster patch:
Automatically unlocked when the timer reaches 220 seconds. 

Tennis: Patch:
Win six games (one match) against the CPU. 

Tennis: Commercial:
Win six games (one match) against the CPU. 

Bonus notes:
There are no unlockable bonuses for Commando, Cosmic 
Commuter ("1" on screen was an error), Demon Attack