Not sure what the Seed option is for or what to put there, just as i'm unsure if this has been brought up, but I was tossing a random number in it and put a period in the seed box and I got this error file in my folder.
java.lang.NumberFormatException: For input string: "1."
at java.lang.NumberFormatException.forInputString(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at com.majalis.scenes.BonusScene$2.keyUp(BonusScene.java:156)
at com.badlogic.gdx.scenes.scene2d.InputListener.handle(InputListener.java:48)
at com.badlogic.gdx.scenes.scene2d.Actor.notify(Actor.java:182)
at com.badlogic.gdx.scenes.scene2d.Actor.fire(Actor.java:153)
at com.badlogic.gdx.scenes.scene2d.Stage.keyUp(Stage.java:427)
at com.badlogic.gdx.backends.lwjgl.LwjglInput.processEvents(LwjglInput.java:315)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:217)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126)