鋼鉄戦記C21
C21 Steel Battle Chronicles is an Action MMORPG in which you can customize your very own robot to determine how it fights in battle. Become a member of the Neo Angel Force and defeat the nefarious Demon Force to restore peace to the Cosmic Renaissance!
- Release Date:10/15/2020
- Developer:CyberStep, Inc.
- Publisher:CyberStep, Inc.
- Last Updated:7/3/2025
- Steam App Id:1266560
Steam Charts, Stats, and Live Player Count
At the moment, 鋼鉄戦記C21 has 3 concurrent players online and in-game. This is 88% lower than its previous all-time peak of 26 players achieved on 8/3/2023.

Review History Chart
Track historical review trends and overall ratings for 鋼鉄戦記C21. It has received a total of 124 reviews on the Steam store and achieved a Player Score of 64 (Mixed).
Community Hub Members & Followers Chart
Explore the cumulative breakdown of Steam community hub members for 鋼鉄戦記C21 and its growth over time. It currently has 538 followers on its community page.
About 鋼鉄戦記C21
鋼鉄戦記C21 is a RPG, Action, Massively Multiplayer, and Free to Play game developed by CyberStep, Inc. On 10/15/2020, it was released on the Steam Store by CyberStep, Inc.
Players have rated 鋼鉄戦記C21 as "Mixed" out of 124 total reviews on the Steam Store. These are split between 84 positive reviews and 40 negative reviews — an overall 68% positive review rating.
It is available for gamers to download and play completely for free. The game also includes two DLC add-ons, 鋼鉄戦記C21 フィルンウェポンパック and 鋼鉄戦記C21 スターターズパック available for purchase and download through Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is not possible to play or run 鋼鉄戦記C21 on the Steam Deck.
According to Steam’s category system, 鋼鉄戦記C21 supports the following features:
- PvP
- Multi-player
- Co-op
- Steam Workshop
- MMO
- Online Co-op
- Captions available
- Cross-Platform Multiplayer
- Online PvP
- In-App Purchases
From the Steam community, 鋼鉄戦記C21 has been tagged with the following user tags:
- Exploration
- Character Customization
- PvP
- Looter Shooter
- Shoot 'Em Up
- Third Person
- JRPG
- Story Rich
- Spectacle fighter
- 3D
- Third-Person Shooter
- RPG
- Comic Book
- Shooter
- Trading
- Action-Adventure
- Mechs
- Action RPG
- Cyberpunk
- MMORPG
Media & Sceenshots
Watch the featured video for 鋼鉄戦記C21 and see the latest screenshots from the Steam Store.
DLC & Related Apps
鋼鉄戦記C21 is referenced by 2 other related apps in the Steam Store.
Image | Name | Type | Release Date | Actions |
---|---|---|---|---|
鋼鉄戦記C21 フィルンウェポンパック | DLC | 4/27/2022 | View | |
鋼鉄戦記C21 スターターズパック | DLC | 12/17/2020 | View |
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in realtime to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
鋼鉄戦記C21 data has been sourced from:
- Valve Corporation. (2025, July 3). 鋼鉄戦記C21 on Steam. Steam Store. https://store.steampowered.com/app/1266560
- Valve Corporation. (2025, July 3). 鋼鉄戦記C21. Steam Community Hub. https://steamcommunity.com/app/1266560
- CyberStep, Inc.. (2023, July 7). 鋼鉄戦記C21. 鋼鉄戦記C21. https://c21-steam.cyberstep.com/