Disclaimer: This information is provided for educational and backup purposes. You should own a legitimate copy of The Idolmaster: Starlit Season on Steam. Bypassing DRM on a game you do not own is piracy and violates copyright law.
Navigate to \Starlit Season\StarlitSeason\Binaries\Win64\. Copy the original steam_api64.dll and steamclient64.dll to a backup folder like \OriginalBackup\.
| Issue | Fix |
|--------|------|
| Game crashes on startup | Delete steam_api64.dll and re-copy Goldberg version |
| DLC not showing | Check DLC.txt is in steam_settings folder, not subfolder |
| Black screen after Bamco logo | Set disable_networking.txt (empty file) in steam_settings |
| Save data not persisting | Run game as admin once, then remove admin flag | the idolmaster starlit season v161goldberg fixed
If you have the files but the game isn't launching or saving correctly, follow these steps:
1. File Placement
Ensure the game is in a folder path with no special characters (e.g., C:\Games\StarlitSeason). Avoid putting it in Program Files as Windows permissions can block save files from writing. Disclaimer: This information is provided for educational and
2. The Goldberg Fix (Steam Emulator) If the game opens and immediately closes, or asks for a Steam login, the Goldberg files are likely missing or placed incorrectly.
3. DLC Setup Starlit Season has a lot of DLC (Season Pass items). If you have the DLC files: Navigate to \Starlit Season\StarlitSeason\Binaries\Win64\
Add this steam_settings folder structure:
steam_settings/
├── DLC.txt
├── achievements.json
├── disable_networking.txt
└── force_steamid.txt (optional)
2076470=The Idolmaster Starlit Season - Base Game
2076471=Season Pass Bonus
2076472=Mail Order Set
2076473=Stage Production Set
2076474=Song Set Vol.1
2076475=Song Set Vol.2
2076476=Costume Set
2076477=Story Event Unlock
(Add more DLC IDs if you have the full list – up to ~40 items)