| bml3 | | Basic Master Level 3 (MB-6890) | Hitachi | 1980 |
| bml3mk2 | bml3 | Basic Master Level 3 Mark II (MB-6891) | Hitachi | 1982 |
| bml3mk5 | bml3 | Basic Master Level 3 Mark 5 (MB-6892) | Hitachi | 1983 |
| ccmk2 | chmate | Chess Champion: MK II (set 1) | Novag Industries / Commodore | 1979 |
| ccmk2a | chmate | Chess Champion: MK II (set 2) | Novag Industries / Commodore | 1979 |
| fsa1mk2 | | FS-A1MK2 (MSX2, Japan) | Panasonic | 1987 |
| mc50mk2 | | MC-50mkII Micro Composer | Roland | 1992 |
| mk2 | | Mortal Kombat II (rev L3.1) | Midway | 1993 |
| mk2chal | mk2 | Mortal Kombat II Challenger (hack) | hack | 1993 |
| mk2r11 | mk2 | Mortal Kombat II (rev L1.1) | Midway | 1993 |
| mk2r14 | mk2 | Mortal Kombat II (rev L1.4) | Midway | 1993 |
| mk2r20 | mk2 | Mortal Kombat II (rev L2.0) | Midway | 1993 |
| mk2r21 | mk2 | Mortal Kombat II (rev L2.1) | Midway | 1993 |
| mk2r30 | mk2 | Mortal Kombat II (rev L3.0) | Midway | 1993 |
| mk2r31e | mk2 | Mortal Kombat II (rev L3.1, European) | Midway | 1993 |
| mk2r32e | mk2 | Mortal Kombat II (rev L3.2, European) | Midway | 1993 |
| mk2r42 | mk2 | Mortal Kombat II (rev L4.2, hack) | hack | 1993 |
| mk2r91 | mk2 | Mortal Kombat II (rev L9.1, hack) | hack | 1993 |
| pc6001mk2 | | PC-6001mkII (Japan) | NEC | 1983 |
| pc6001mk2sr | | PC-6001mkIISR (Japan) | NEC | 1984 |
| pc8001mk2 | pc8001 | PC-8001mkII | NEC | 1983 |
| pc8001mk2sr | pc8001 | PC-8001mkIISR | NEC | 1985 |
| pc8801mk2 | pc8801 | PC-8801mkII | NEC | 1983 |
| pc8801mk2fr | pc8801mk2sr | PC-8801mkIIFR | NEC | 1985 |
| pc8801mk2mr | pc8801mk2sr | PC-8801mkIIMR | NEC | 1985 |
| pc8801mk2sr | | PC-8801mkIISR | NEC | 1985 |
| r8mk2 | | R-8 Mk II Human Rhythm Composer (v1.0.3) | Roland | 1992 |
| sc55mk2 | | Sound Canvas SC-55mkii | Roland | 1994 |
| spfghmk2 | | Space Fighter Mark II (set 1) | Data East | 1979 |
| spfghmk22 | spfghmk2 | Space Fighter Mark II (set 2) | Data East | 1979 |
