For sure, 'Team Fortress 2' is a great free - to - play game on Steam with story. The story is based on the conflict between two mercenary groups. It has a unique art style and humorous elements in its story. Then there's 'Apex Legends'. It has a story that develops over time with new seasons. You are a Legend in a battle royale world, and there are backstories for each character that add depth to the overall narrative. Also, 'Brawlhalla' has a simple but fun story about warriors from different realms coming together to battle in Valhalla.
Path of Exile is also a great free - to - play Steam game with a story. It's set in a dark and gritty world. The main plot revolves around exile from a powerful empire. As you progress through the game, you encounter various quests and NPCs that expand on the lore. There are ancient secrets, dark magic, and a constant struggle for survival, which all contribute to an engaging story.
Dota 2. It has a rich lore that unfolds as you play. The story is about the battles between different factions in a fantasy world. The heroes all have their own backstories which are gradually revealed through the items and interactions in the game.
Brawlhalla. It may seem like a simple fighting game at first, but it has a charming story. The characters are from different mythologies and their interactions are part of the overall story. The game's story mode is accessible for beginners and it gives a good sense of the game's universe and the relationships between the characters.
Warframe. It has a great story that gradually reveals itself. You start as a space - faring warrior and as you explore the solar system, you learn about the origin of the Warframes, the conflicts between different factions, and the overall plot that drives the game forward. The story is constantly evolving with new updates.
One of the best is 'The Witcher 3: Wild Hunt'. It has an incredibly rich and immersive story. You play as Geralt, a monster hunter, in a vast open world filled with political intrigue, moral choices, and complex characters. The main story quests are engaging, and the side quests often have their own mini - stories that are just as captivating.
Among them is 'SMITE'. It has a story based on different mythologies. Gods from various pantheons battle it out, and as you play, you get to learn more about these mythological figures and their relationships. 'Paladins' is another one. It has a story about Champions fighting for different causes in a fantasy world. There are character - specific stories that add to the overall plot.
Stardew Valley is a wonderful choice. It has a simple yet charming story. You inherit a run - down farm and work to build it up. Along the way, you interact with the local villagers, form relationships, and uncover little secrets about the town. It's very easy to get into and has a relaxing story.
For me, 'Bioshock Infinite' has one of the best stories on Steam. It takes place in the floating city of Columbia, with a plot full of twists and turns. You get to explore a unique and beautifully designed world while uncovering the mystery behind the city. 'Mass Effect' series is also notable. It offers a vast and immersive story where your choices actually matter and can shape the outcome of the entire galaxy. 'Portal 2' is great too. The story, although not as grand in scale as some others, is really clever, with a lot of humor and interesting characters as you solve puzzles in the Aperture Science facility.
Fallout 4. Set in a post - apocalyptic world, it offers a long - form story. You are searching for your kidnapped son while exploring a desolate yet interesting world full of factions, mutants, and quests that contribute to the overall narrative.