| circus | | Circus / Acrobat TV | Exidy / Taito | 1977 |
| circusc | | Circus Charlie (level select, set 1) | Konami | 1984 |
| circusc2 | circusc | Circus Charlie (level select, set 2) | Konami | 1984 |
| circusc3 | circusc | Circus Charlie (level select, set 3) | Konami | 1984 |
| circusc4 | circusc | Circus Charlie (no level select) | Konami | 1984 |
| circuscc | circusc | Circus Charlie (Centuri) | Konami (Centuri license) | 1984 |
| circusce | circusc | Circus Charlie (Centuri, earlier) | Konami (Centuri license) | 1984 |
| circuso | circus | Circus / Acrobat TV (older) | Exidy / Taito | 1977 |
| circusp | | Circus | Gottlieb | 1980 |
| ecircus | gnw_mmouse | Circus (Elektronika) | bootleg (Elektronika) | 19?? |
| m5circus | | Circus (Bwb) (MPU5) (set 1) | Bwb | 199? |
| m5circus0a | m5circus | Circus (Bwb) (MPU5) (set 2) | Bwb | 199? |
| m5circus0b | m5circus | Circus (Bwb) (MPU5) (set 3) | Bwb | 199? |
| m5circus11 | m5circus | Circus (Bwb) (MPU5) (set 6) | Bwb | 199? |
| m5circus20 | m5circus | Circus (Bwb) (MPU5) (set 4) | Bwb | 199? |
| m5circus21 | m5circus | Circus (Bwb) (MPU5) (set 5) | Bwb | 199? |
| mcircus | | Merry Circus (Version 1.0.2) | Amcoe | 2009 |
| springbd | circus | Springboard (bootleg of Circus) | bootleg (Sub-Electro) | 1977 |
| wcircus | | Wonder Circus (Japan, v1.1.1) | Cobra | 199? |
