| Console: | Sega Game Gear |
| TV Standard: | Region Not Set |
| Developer(s): | Sega |
| Publisher(s): | Sega |
| Release Date: | 1995-02-24 |
| Players: | 1 |
| Co-op: | No |
| Type: | Role-Playing |
Royal Stone: Hirakareshi Toki no Tobira (ロイアル・ストーン ～開かれし時の扉～) is an RPG for the Sega Game Gear.
Game Player of Royal Stone: Hirakareshi Toki no Tobira on Sega Game GearGenerally, 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 |
