Grendel's Cave is a free on-line adventure game based on the mythical fantasy characters Beowulf and Grendel. It is Norse Mythology, Dark Age and Viking adventure based. Role-play in a free medieval, RPG, browser-based game. No downloads required.

Play for free, climb to the top of Thane Ranking and win a cash prize, no purchase necessary to win. Please see the Notice page for new rules regarding winning a cash prize.

The annual Halloween challenge is Friday, October 31, 2014, Halloween. Please see the Notice page for new information and rules.

Grendel's Cave is free for all to play! You can play free for as long and as much as you want. If you die you can resurrect your thane for one life at the cost of 50 cents per life, or you can simply create a new thane and continue playing free.