Darkworld For Two is a thread-safe version of Darkworld for two players. 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.
The version in the folder DarkworldForTwo is compatible to JAVA 1.1.8 and JAVA 1.8 and uses a deprecated JAVA API. You find a JAVA 1.1.8 applet version and versions for Swing, which don't use a deprecated JAVA API and are compatible to JAVA 1.8, in the other folders.