Sid Classic
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About Sid Classic
Sid Classic is a story-driven adventure set at Lussid, a magic school in a rift in time and space. The perfect TS Engine selects a new boy to attend as a freshman. While searching for the engine’s secrets, he meets Moriarty, a girl who has lost most of her memory and hides her sorrow. He promises to help her recover her memories, and they begin an adventure across parallel worlds.
Sidians and battles
You can meet more than 900 Sidians through the adventure. Their card illustrations are drawn by leading illustrators, and their characters are voiced by Japanese voice actors.
For battles, you build a team around each Sidian’s attributes and skills, then devise a strategy to win.
Stories and activities
The game includes several kinds of content:
- Season: meet a new Sidian who visits for a limited time.
- Exploration: travel around the world and encounter stories.
- Circle: go on adventures with other players.
- Boss Raid Battle: join your Circle colleagues to attack a powerful boss.
- Mileage: compete with other players to earn items.
- Special Lesson: obtain a new Sidian through a new story.
- Student Body Election: vote for your favorite Sidian and receive rewards.
Frequently asked questions
Yes. Sid Classic is free to play on Steam, so there is nothing to buy to start playing.
The minimum requirements for Sid Classic are: Windows 7, 1 GB RAM, 1.2 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
Yes. Sid Classic has multiplayer and a single-player mode. It supports online co-op.
Mostly, yes. Valve rates Sid Classic as Playable on the Steam Deck: it runs, but may need some manual setup.
Yes. Sid Classic is the full base game. You need nothing else to play it.











