* [http://www.genesis8bit.fr/amstrad/game-rom/amstrad-game.php?prog_id=142&title=Agent%20X%20II&creator=Mastertronic Genesis 8Bit]
* [http://www.video-games-museum.com/en/game/Agent-X-II/38/3/11346 Video Games Museum]
* [http://www.amstradabandonware.com/en/game/agent-x-ii/1576 Amstrad Abandonware]
* [http://en.wikipedia.org/wiki/Agent_X_II:_The_Mad_Prof's_Back English Wikipedia]
== Download ==
* [http://tacgr.emuunlim.com/downloads/filedetail.php?recid=31 The Amstrad CPC Games Resource]