The game has no ending you just stop playing when you've had enough. There is a main storyline however that you can accomplish by the time your level 4. (Don't! When you close oblivion gates you can collect Sigil stones to add magic abilities to your weapons and armor.)
The land is VAST, and the side quests are unlimited.
This game is a DM's dream come true.
Unlike many D&D style games this game utilizes rogue abilities quite a bit. I played a sword swinging barbarian (shocker, huh), yet many a time I dropped off my sheets of heavy armor for light robes and snuck around in the dark with a dagger and a spell scroll.
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Didn't give it more points cuz there was ZERO plot twists. Even tho it kinda sets you up for a few of them
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All in all not bad. You need a half decent computer to run the game anyways so you'll probably enjoy the graphics. Decently filled in houses and dungeons.
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Frustrating!
Theres only 1 type of weapon in each material category and they get boring. If I'm gonna wait till level 18 to get an obsidian weapon they should have put more time and effort into a few different types of them (not just Obsidian: dagger, short sword, longsword, claymore. In the sword categories) You can add customized stones to your weapons (eg: +6 fire damage or -50 to stamina etc). Was disappointed to say the least.