The game casts the player as Ragnar, a young Viking warrior. It follows a fantasy plot based on Norse mythology. The various enemies Ragnar faces include man-eating fish, goblins, zombies, Norse dwarves and other Vikings. As the game goes on, as in most games of its type, better weapons are accumulated. Late in the game the player wields weapons of enormous size, even though most weapons maintain their usefulness to the end. Runes are strewen around the game world. When collected, they add to the player's rune power.
Weapons in Rune are divided into three categories: swords, axes, and maces/hammers. Each of the three classes have five weapons, increasing in size as the game progresses. Each weapon has a unique "Rune Power" that can be activated for a short period of time when the player has enough rune power. Shields may be equipped along with the first three weapons of each class. Weapons of tier 4 and 5 are two-handed, and may not be used along with shields. Besides these standard weapons, other items such as torches and severed limbs may also be equipped to be used as weapons. While high-tier weapons tend to be preferable in singleplayer games, all tiers are considered somewhat equal for multiplayer situations due to balancing factors such as speed.
Depending on the direction of Ragnar's movement, weapons can be thrust, swung overhead, or slashed. Repeated strikes unleash a powerful spinning attack. All weapons may be thrown, and deal as much damage when thrown as a melee attack. When Ragnar has killed enough enemies in a short span of time, he enters a brief "Berserk Mode", which allows him to resist damage and hit harder. There is also a special rune which instantly activates Berserk Mode.
Although rather linear, Ragnar does not need to kill everything in sight (common in games of the time) to travel from one level to the next. In some levels, players have found alternative ways of getting through to the next level. However, particular scripted pawns must be activated (killed, moved or tripped) in key zones to initiate certain actions to continue and move the story along.
