Hellfire Games creates Rpg games using the Rpg Maker Xp software. To play any games you see on this site you will need RGSS-RTP Standard. This is downloaded with Rpg maker Xp. Although the Rpg Maker Xp software is only 30 days long, the RGSS-RTP Standard stays in your system forever so you can continue to play games created using Rpg Maker Xp. If you are experiencing any problems please contact us and we will be happy to help you.