"The Diabolical Trilogy" is a collection of 3 challenging old-school games united by fun!\r\n\r\nXenon Valkyrie+: A roguelite platformer with RPG elements for hardcore gamers.\r\n\r\nRiddled Corpses EX: Frenetic arcade style twin-stick shooter. Fight your way through hordes of enemies alone or with a friend!\r\n\r\nDemon\'s Tier+: Dungeon-RPG roguelike with arcade and adventure elements. Enter the dungeons of King Thosgar and destroy his demonic minions!\r\n\r\nRiddled Corpses EX and Demon\'s Tier+ include a 2 player co-op mode!