Jagex Games Studio is to host a 24-hour long marathon in support of the games charity SpecialEffect’s inaugural GameBlast weekend. The challenge, to be held at Jagex’s Cambridge headquarters, will take place from 1pm GMT [8am ET] on Friday, February 21st and will see staff and selected members of the RuneScape community play RuneScape and Ace of Spades throughout the 24-hour period. The event will also be live-streamed throughout via the official RuneScape and Ace of Spades twitch.tv channels, which will also include interviews with the RuneScape development team.