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        No known incompatibilities or special features | 
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        ROM not found in database | 
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        Cartridge contains additional 8-bit RAM onboard | 
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        Program uses "Mattel-style" bankswitching | 
    
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        Will not run on PAL consoles | 
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        Compatibility with PAL consoles is unknown | 
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        Runs on PAL consoles | 
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        Will not run on NTSC consoles | 
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        Compatibility with NTSC consoles is unknown | 
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        Runs on NTSC consoles | 
    
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        Incompatible with Intellivision II (e.g. Coleco's Donkey Kong) | 
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        Non-standard behavior on Intellivision II (e.g. Shark! Shark!'s sound effects) | 
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        Requires Intellivision II (can such a program be written?) | 
    
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        Incompatible with Sears Super Video Arcade | 
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        Non-standard behavior on Sears Super Video Arcade (e.g. Advanced Dungeons & Dragons title screen) | 
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        Requires Sears Super Video Arcade (can such a program be written?) | 
    
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        Incompatible with World Book Tutorvision | 
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        Offers enhanced features if run on World Book Tutorvision | 
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        Requires World Book Tutorvision to run | 
    
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        Incompatible with Intellivoice | 
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        When Intellivoice present, offers enhanced game play experience (e.g. World Series Major League Baseball) | 
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        Requires Intellivoice for proper game play (e.g. B-17 Bomber) | 
    
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        Incompatible with Intellicart | 
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        When run on an Intellicart, offers enhanced features | 
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        Requires Intellicart to function | 
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        Uses 'Intellicart-style' bankswitching | 
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        Program uses additional 16-bit RAM on Intellicart | 
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        Enhanced features by using Intellicart's serial port | 
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        Requires use of Intellicart's serial port | 
    
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        Incompatible with Cuttle Cart 3 | 
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        When run on a Cuttle Cart 3, offers enhanced features | 
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        Requires Cuttle Cart 3 to function | 
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        Uses 'Intellicart-style' bankswitching | 
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        Program uses "Mattel-style" bankswitching supported on Cuttle Cart 3 | 
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        Program uses additional 16-bit RAM on Intellicart | 
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        Program addresses additional Cuttle Cart 3 RAM as 8-bit RAM | 
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        Enhanced features by using Cuttle Cart 3's serial port | 
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        Requires use of Cuttle Cart 3's serial port | 
    
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        Incompatible with ECS (e.g. Defender) | 
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        When ECS present, offers enhanced game play experience (e.g. Space Patrol) | 
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        Requires ECS for proper game play (e.g. Mind Strike) | 
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        Supports cassette storage (e.g. World Series Major League Baseball) | 
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        Uses ECS Music Synthesizer (e.g. Melody Blaster) | 
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        Supports using serial printer with ECS | 
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        Enhanced features by using ECS serial port | 
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        Requires use of ECS serial port | 
    
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        Incompatible with Keyboard Component | 
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        When Keyboard Component present, offers enhanced experience | 
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        Requires Keyboard Component to run | 
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        Supports cassette storage | 
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        Requires cassette storage | 
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        Uses microphone input | 
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        Supports using printer | 
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        Incompatible with Keyboard Component Microsoft Basic cartridge | 
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        Requires Keyboard Component Microsoft Basic cartridge | 
    
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        Program does not use or is incompatible with JLP hardware | 
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        Uses JLP accelerated instructions if possible | 
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        Requires JLP accelerated instructions | 
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        Program requires JLP hardware revision 3 to run | 
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        Program requires JLP hardware revision 4 to run | 
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        Program requires JLP hardware revision 5 to run | 
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        Uses JLP Flash storage if possible (e.g. Christmas Carol vs the Ghost of Christmas Presents) | 
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        Requires JLP Flash storage (e.g. The Lost Caves of Kroz) | 
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        Enhanced features by using JLP serial port (JLP version 4 required) | 
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        Requires use of JLP serial port (JLP version 4 required) | 
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        Uses onboard LEDs (JLP version 5 required) | 
    
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        Program does not use or is incompatible with LTO Flash!/JLP hardware | 
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        Uses LTO Flash!/JLP accelerated instructions if possible | 
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        Requires LTO Flash!/JLP accelerated instructions | 
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        Uses LTO Flash!/JLP Flash storage if possible (e.g. Christmas Carol vs the Ghost of Christmas Presents) | 
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        Requires LTO Flash!/JLP Flash storage (e.g. The Lost Caves of Kroz) | 
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        Enhanced features by using LTO Flash! USB port | 
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        Requires use of LTO Flash! USB port | 
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        Uses 'Intellicart-style' bankswitching | 
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        Program uses "Mattel-style" bankswitching supported on LTO Flash! | 
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        Program uses additional 16-bit RAM on LTO Flash! | 
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        Program addresses additional LTO Flash! RAM as 8-bit RAM |