Sid Classic

Card-collecting RPG about a magic school and parallel worlds

Singta inc. · Released Feb 18, 2021

Adventure Casual RPG Simulation Strategy

Reviews: Very Positive; 82% of 157
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 5 years ago; Jun 10, 2021
Minimum PC: Reasonable; 1.2 GB disk; Full requirements

What is Sid Classic?

Sid Classic is a free-to-play, 2D card-collecting RPG set at Lussid, a magic school in a time-space rift. You collect characters called Sidians, assemble battle teams around their attributes and skills, and explore parallel worlds as a new student helping Moriarty recover her memories.

For you if...

+you enjoy building teams from a large character roster

Not for you if...

−you want hands-on action rather than simple progression

What players say

82% of 157 reviews are positive

Older reviews praise the card art and progression without spending money. More recent players report getting stuck at the title or login screen, while longtime players describe the game as abandoned.

Screenshots and trailer

Sid Classic system requirements

Minimum: Reasonable, 1.2 GB of disk space.

As published by the developer.

Can my PC run Sid Classic?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS: Windows 7 SP1 (Convenience Rollup)
Processor: 2.0GHz
Graphics: Reasonable
Memory: 1 MB RAM
Storage: 1200 MB available space
DirectX: Version 11

Does Sid Classic have co-op or multiplayer?

Yes: co-op online. It also has a single-player mode.

Does Sid Classic run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Some text entry requires manually opening the on-screen keyboard
All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck
Singleplayer gameplay requires active internet connection

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing, In-app purchases
Languages: Text only: English, French, Simplified Chinese, Traditional Chinese, German, Spanish - Latin America, Japanese, Thai.

Does Sid Classic use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam