.SP4ファイル拡張子
.SP4ファイルを開くには？
Roller Coaster Tycoon Saved Game
| Ads | OS | Software |
|---|---|---|
| WINDOWS |
 Roller Coaster Tycoon |
20-20 CAP Studio Worksheet
| OS | Software |
|---|---|
| WINDOWS |
20-20 Design |
| Ads | OS | Software |
|---|---|---|
| WINDOWS |
Roller Coaster Tycoon |
| OS | Software |
|---|---|
| WINDOWS |
20-20 Design |