| Aka: | いつでも！にゃんとワンダフル |
| Console: | Nintendo Game Boy |
| TV Standard: | NTSC-J |
| Country: | Japan |
| Developer(s): | Banpresto Co., Ltd. |
| Publisher(s): | Banpresto Co., Ltd. |
| Release Date: | 1998-06-26 |
| Players: | 1 |
| Co-op: | No |
| ESRB: | E - Everyone |
| Type: | Life Simulation |
A dog and cat pet simulation game. Super Gameboy compatible.
Game Player of Itsudemo! Nyan to Wonderful on Nintendo Game BoyGenerally, you can review the controls (keyboard) setting during each game in the screen before it starts. Use the arrow keys and “Z”, “X”, “A”, “S”, “Q”, “E” buttons to play, or customize yourself with your gamepad or keyboard.
| Keyboard | Controls |
| ← → ↑ ↓ | Directions for LEFT, RIGHT, UP, DOWN |
| Enter ↵ | START |
| Shift | SELECT |
| Z | A |
| X | B |
| A | X |
| S | Y |
| Q | L |
| E | R |
