The Darkworld For Two swing-applet is shown here, if JAVA is installed.

6.3.2021

This is a thread-safe swing-applet version of DarkworldForTwo, which doesn't use a deprecated JAVA API. You can start it with the AppletViewer from the Oracle JDK. The AppletViewer must be started with the .htm file from the DarkworldForTwoAppletSwing folder as parameter. The game is compatible to JAVA 1.8. The two players must destroy 45 of the different enemies and collect the 75 discs. Player 1 uses the left and right cursor keys and return and player 2 y, c and s. The two players play together.