Glassbreakers - Legendary Great Old One Mask
Unlocks the Great Old One Mask. This item is also included in the Starter Pack. Disclaimer: Duplicate purchases are non-refundable. It is recommended to review all of the DLC available for this game and your cosmetics library before making a purchase
| Type | DLC |
| Release Date | 12/3/2025 |
| Developer | Polyarc |
| Last Updated | 12/3/2025 |
| Steam App Id | 4114760 |
Glassbreakers - Legendary Great Old One Mask Deals & Discounts
Discover exclusive deals and unbeatable discounts for Glassbreakers - Legendary Great Old One Mask through our partner marketplaces. Get a large discount (sometimes 80% off) by purchasing your Glassbreakers - Legendary Great Old One Mask Steam key through them.
We only work with the best and most-trusted stores to ensure a smooth experience. After purchase, you will immediately receive your Steam key and game activation code. Take advantage of these offers and pickup Glassbreakers - Legendary Great Old One Mask without hurting your wallet.
- Check PriceFanatical
- Check PriceG2A
- Check Price2Game
- Check PriceGOG
- Check PriceGreen Man Gaming
- Check PriceHumble Bundle
About Glassbreakers - Legendary Great Old One Mask
Glassbreakers - Legendary Great Old One Mask is an Action and Strategy DLC developed by Polyarc. On 12/3/2025, it was released on the Steam Store. Glassbreakers - Legendary Great Old One Mask can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this dlc app.
Glassbreakers - Legendary Great Old One Mask also supports 14 languanges in-game including English, French, and Italian. Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, Glassbreakers - Legendary Great Old One Mask supports the following features:
- Steam Achievements
- Steam Cloud
- Family Sharing
- PvP
- Co-op
- Tracked Controller Support
- Downloadable Content
- Multi-player
- Single-player
- Steam Leaderboards
- Online Co-op
- Cross-Platform Multiplayer
- Online PvP
Media & Sceenshots
Explore the featured video and screenshots from Glassbreakers - Legendary Great Old One Mask featured in the Steam Store.
DLC & Related Apps
Glassbreakers - Legendary Great Old One Mask is referenced by 1 other related app in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Glassbreakers: Champions of Moss | Game | 11/13/2025 | Steam Charts |
Related Packages
Glassbreakers - Legendary Great Old One Mask is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Glassbreakers - Great Old One Mask | $9.99 | View |
Supported Languages and Localizations
Glassbreakers - Legendary Great Old One Mask is available in 14 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | No |
| French | Yes | No | No |
| Italian | Yes | No | No |
| German | Yes | No | No |
| Spanish (Spain) | Yes | No | No |
| Arabic | Yes | No | No |
| Dutch | Yes | No | No |
| Japanese | Yes | No | No |
| Korean | Yes | No | No |
| Portuguese-Brazil | Yes | No | No |