- Name
- R&D Computer Co. Ltd
- Fullname
- ランドコンピュータ
- Scene Group/Person
- No
- Country
- Japan
- Name
- Sony
- Fullname
- ソニー
- Scene Group/Person
- No
- Country
- Japan
| Title | Product code | Developed by | Year | |||
Puddles - Introduction to numbers
(まんてん君（数の導入）) 
 PSG 
|
HBJ-E001T | R&D Computer Co. Ltd | 1984 | |||
|
Puddles - Calculation I
(まんてん君（計算力I）)
PSG
|
HBJ-E002T | R&D Computer Co. Ltd | 1984 | |||
|
Puddles - Calculation II
(まんてん君（計算力II）)
PSG
|
HBJ-E003T | R&D Computer Co. Ltd | 1984 | |||
|
Puddles - Memory
(まんてん君（記憶力）)
PSG
|
HBJ-E023T | R&D Computer Co. Ltd | 1984 | |||
|
Puddles - Reasoning
(まんてん君（思考力）)
PSG
|
HBJ-E024T | R&D Computer Co. Ltd | 1984 | |||
Puddles - Reflexes
(まんてん君（反射性）) 
PSG
Compilation |
HBJ-E025T | R&D Computer Co. Ltd | 1984 | |||