Astro Party EX - Stellar Upgrade
The Stellar Upgrade expands the party with a new world, two new pilots and a new game mode.
| Type | DLC |
| Release Date | 1/27/2026 |
| Developer | Rusty Moyher |
| Publisher | Wild Rooster |
| Last Updated | 1/27/2026 |
| Steam App Id | 4178310 |
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About Astro Party EX - Stellar Upgrade
Astro Party EX - Stellar Upgrade is an Indie, Action, and Free to Play DLC developed by Rusty Moyher. On 1/27/2026, it was released on the Steam Store by Wild Rooster. Astro Party EX - Stellar Upgrade can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this dlc app.
Astro Party EX - Stellar Upgrade also supports 11 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, Astro Party EX - Stellar Upgrade supports the following features:
- Stereo Sound
- Shared/Split Screen
- Full controller support
- Downloadable Content
- Steam Cloud
- Camera Comfort
- Shared/Split Screen PvP
- PvP
- Multi-player
- Remote Play Together
- Keyboard Only Option
- Custom Volume Controls
- Online PvP
- Remote Play on TV
Media & Sceenshots
Explore the featured video and screenshots from Astro Party EX - Stellar Upgrade featured in the Steam Store.
DLC & Related Apps
Astro Party EX - Stellar Upgrade is referenced by 1 other related app in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Astro Party EX | Game | 1/27/2026 | Steam Charts |
Related Packages
Astro Party EX - Stellar Upgrade is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Astro Party EX - Stellar Upgrade | $3.74 | View |
Supported Languages and Localizations
Astro Party EX - Stellar Upgrade is available in 11 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| French | Yes | No | Yes |
| Italian | Yes | No | Yes |
| German | Yes | No | Yes |
| Spanish (Spain) | Yes | No | Yes |
| Japanese | Yes | No | Yes |
| Korean | Yes | No | Yes |
| Portuguese-Brazil | Yes | No | Yes |
| Russian | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |