EpicGame.java

import java.awt.Desktop
import java.io.IOException
import java.net.URI;

class EpicGame extends Game {

    private final String game;

    public EpicGame(String game, String name) {
        super(name);
        this.game = game;
    }

    @Override
    public void launch() throws IOException {
        Desktop.getDesktop().browse(URI.create("com.epicgames.launcher://apps/" + game + "?action=launch&silent=true"));
    }
}

Game.java

import java.io.IOException;

abstract class Game {

    private final String name;

    protected Game(String name) {
        this.name = name;
    }

    public abstract void launch() throws IOException;

    public String getName() {
        return name;
    }
}

OtherGame.java

import java.io.File;
import java.io.IOException;

class OtherGame extends Game {

    private final File exe;

    public OtherGame(File exe, String name) {
        super(name);
        this.exe = exe;
    }

    @Override
    public void launch() throws IOException {
        Runtime.getRuntime().exec(exe.toString(), null, exe.getParentFile());
    }
}

SteamGame.java

import java.awt.Desktop;
import java.io.IOException;
import java.net.URI;

class SteamGame extends Game {

    private final int gameId;

    public SteamGame(int gameId, String name) {
        super(name);
        this.gameId = gameId;
    }

    @Override
    public void launch() throws IOException {
        Desktop.getDesktop().browse(URI.create("steam://rungameid/" + gameId));
    }
}

WhatGame.java

import java.awt.Desktop;
import java.io.File;
import java.util.Random;
import javax.swing.JOptionPane;

class WhatGame {

    private static Game[] games = {
            new SteamGame(379720, "End some demons"),
            new SteamGame(359550, "Monty is sheild daddy"),
            new SteamGame(365720, "Slay some dragons"),
            new SteamGame(377160, "Initiate nuclear fallout"),
            new EpicGame("Fortnite", "Abortnite"),
            new OtherGame(new File("D:\\rockstar\\PlayGTAV.exe"), "Be a Criminal"),
            new SteamGame(275850, "Explore a new galaxy"),
            new SteamGame(578080, "The real Battle Royale")
    };

    public static void main(String[] args) throws Exception {

        String[] options = {"Play Game", "Quit"};
        Random rand = new Random();
       
        Game game = games[rand.nextInt(games.length)];

        int x = JOptionPane.showOptionDialog(null, game.getName(),
                "Select one",
                JOptionPane.DEFAULT_OPTION, JOptionPane.INFORMATION_MESSAGE, null, options, options[0]);
        if (x == 0) {
            game.launch();
        }
    }
}