Tool to extract images from RenPy games' .rpa files. Use the three D's to use:

1. Download

2. Drag .rpa file(s) on rpaExtract.exe

3. Done

To do this on macOS (aka Mac OS X and probably Linux), watch this video.

To do this on Linux, the macOS video and or this comment might help.

Additional video guides:

Useful for people who made a game and uploaded it and then their hard drive with the source files exploded.

Using this tool on other people's games might be considered 'reverse-engineering'. If you have doubts about the legality of doing so, consider reading the terms (EULA) of the game you are trying to reverse-engineer and consider reading this stackexchange thread.

Using this tool on other people's games could also simply be considered cheating, which no one in the world will care about (I am not a lawyer).

If you want more than look at pictures/listen to audio to satisfy your personal curiosity, remember not to infringe on other people's copyright. Protip: fair use.