| Name | Description | Year | Manufacturer | Rom of | Clone of |
| iquest | IQuest 4.0 (US) | 2004 | LeapFrog | | |
| ttwistbq | Turbo Twist Brain Quest (US) | 2002 | LeapFrog | | |
| ttwistfb | Turbo Twist Fact Blaster (US) | 200? | LeapFrog | | |
| ttwistm | Turbo Twist Math (US) | 2002 | LeapFrog | | |
| ttwistsp | Turbo Twist Spelling (US) | 2000 | LeapFrog | | |
| ttwistvc | Turbo Twist Vocabulator (US) | 2001 | LeapFrog | | |
| turboex | Turbo Extreme (US) | 2004 | LeapFrog | | |