Eroges are made with different game engines. You may face some problems when making games work. So before playing an eroge, i suggest you to read the instructions below. If you are a experienced player, just skip the guide and play your games.
Most english games are very easy to run. Just extract and install then run for package version. Just extract and run for portable version.
You need a
Unlike Flash Games, HTML5 Games work on a browser. Choose your favorite browser, open the html file and play it. If the game can't work, try another browser to run, such as Chrome or Firefox.
RPG Maker Games
Some games are made with RPG Maker. You may need install
Play Japanese Games
There are two options for you to choose.
1. On Win7 just click Start -> Control Panel -> Clock, Language and Region -> Region and Language -> Administrative Tab -> Change System Locale and Select Japanese. Restart and all errors and crashes are gone.
Translate Japanese Games
Tools for translation are not perfect. If you don't want to wait the english version, you can use
Play Eroges on Linux, Mac and Mobile
Sorry, most eroges have only PC version. But Ren'Py Games, Flash Games and HTML5 Games are cross-platform, so if the game is made with Ren'Py, Flash or HTML5, you may run it on Linux, Mac and even Mobile. Many patreon games are made with these game engines. You can try them on Linux, Mac or Mobile, but it's not recommended, because PC is obviously the best platform to play the best eroge.