Codemasters has released a v1.4 patch, adding split screen, amBX support, Overlord Raising Hell compatibility, and fixing the Speak to Jewel quest.

This Overlord patch updates the game to version 1.2. It fixes a multiplayer desync issue and several singleplayer bugs among other things. View more information... VERSION 1.2 * Version number reported on Title Screen. * Invert Y-axis Mouse option added in Game Options menu. * 30FPS cap has been removed. The game can now run at higher frame rates if your video card supports it. * Refresh rate is set by default to the lowest available within the Configuration Tool. * Potential desync in Multiplayer resolved. This could occur in Co-op Survival / Versus matches when Tower Objects were collected. Only affects games containing a machine with an Athlon 64 processor. * Minions can now cross the entire length of a bridge in the Ruborian Desert while carrying a health upgrade back to a Tower Gate. * Fixed an exploit which allowed players to forge/upgrade equipment without losing any minions. * Melvin will now never reappear in the Halfling Party Area after he has been killed. Existing Save Games affected by this issue will also be fixed. * The 'Kill Kahn' quest will now always show as completed when Khan is defeated. Existing Save Games affected by this issue will also be fixed. * A number of additional minor / rare issues resolved * All 1.1 fixes VERSION 1.1: * Spokes will always be retrievable and usable in Dwarven Brewery. Existing Save Games affected by this issue will also be fixed. * Updated the uninstall script to less aggressively delete files in the installation directory, thereby preventing potential & unintended loss of data.