A Tiger Electronics' watch version of Castlevania II: Simon's Quest. The gameplay barely resembles the original from Simon's Quest, so it could be considered a separate game. It was preceded by a more in-depth version in LCD handheld format. It was released in 1988.
SDI is an LCD game released by Sega in Japan as part of the Game Vision series. Though Sega intended for linked with the arcade game SDI, it is in fact a retooled version of Tiger Electronics' 1989 LCD "Super Sound" handheld, Space Fight (not to be confused with an earlier handheld from the company with the same name).
The LCD version of Pengo is an handheld game developed by Handheld Ltd.. It was distributed by Hashy Top-In in 2009 as part of the Pocket Boy Series.
It is based on the arcade game, Pengo. It should not be confused with an earlier "port" by Bandai.
The LCD version of Ecco the Dolphin is a handheld game created by Beck-Tech for Tiger Electronics and released as part of their Pocket Arcade series of LCD handhelds. It is based on the Sega Mega Drive game, Ecco the Dolphin. This game was designed by cartoonist I.B. Nelson after Eternal Champions.
Sonic Blast is a 1994 LCD game released in the US by Tomy as part of the Pocket Arcade series. The screen comes out from the lower half of the device via a spring operated pop-up type mechanism.
Amazing Sonic is a 1994 LCD game distributed by Tomy, and part of the Pocket Arcade series. A pop-up lid must be lifted to play the game. The LCD is not backlit, and is hard to see without proper light. It is slightly hard to control since the directional pad is separated into two different sections, making the game hard to figure out without instructions. Sonic must navigate through 12 maze-like levels.
SegaSonic the Hedgehog is a 1992 LCD game which was used as a promotional item in Japan. They were found in UFO catchers. Three versions were created which only vary by the color and by what is drawn on the case. There was also a handy keychain attached to the case.