Because this is a fan restoration, you will need a legitimate copy of Lisa: The Painful (or The Joyful) to run the investigation files.
Note: Always scan fan downloads with your antivirus. Only download from trusted community links. Lisa Total investigation- PC Free Download -Par...
Follow this exactly to avoid the infamous "RTP missing error." Because this is a fan restoration, you will
Step 1: Download the .zip or .exe file from the trusted sources above.
Step 2: Right-click the file → Properties → Check "Unblock" (Windows only).
Step 3: Extract using 7-Zip or WinRAR to C:\Games\LisaTotalInvestigation (avoid Desktop or Program Files to prevent save issues).
Step 4: Inside the folder, run Game.exe as Administrator (first launch only).
Step 5: If you see "RPG Maker RTP is not found" → Download and install RPG Maker MZ RTP from the official Kadokawa website (free, 200 MB). Note: Always scan fan downloads with your antivirus
Pro Tip: Enable "Run in Windows 8 Compatibility Mode" if the game stutters during cutscenes.
The game is split into 3 days of investigation. Each wrong decision can lock you into a "Guilty" or "Innocent" ending.