Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: N'etiti 2005, Mustaine haziri njem egwu egwu egwu kwa afọ, Gigantour. Megadeth bụ isi ihe na njem mmeghe ahụ na ihe omume ndị dị ka Dream Theater, Nevermore, Anthrax, na Fear Factory. A na-eme ihe ngosi na Montreal na Vancouver na-egosi ma dekọọ maka DVD-na-CD nke a tọhapụrụ na nkeji nke abụọ nke 2006. N'October 9, mgbe ihe ịga nke ọma nke The System Has Failed na Blackmail the Universe world tour, Mustaine kwupụtara ndị mmadụ na-ere ere na Pepsi Music Rock Festival na Argentina na Megadeth ga-anọgide na-edekọ ma gaa njem. Egwuregwu ahụ, nke e mere n'ọgbọ egwuregwu Obras Sanitarias na Buenos Aires n'ihu ndị na-akwado 25,000, e mere fim ma wepụta ya na DVD dị ka That One Night: Live na Buenos Aires na 2007. Na February 2006, bassist James MacDonough hapụrụ ìgwè ahụ n'ihi "nsogbu onwe onye". James LoMenzo nọchiri ya, onye ya na David Lee Roth, White Lion, na Black Label Society rụkọrọ ọrụ. Ọhụrụ Megadeth lineup mere ya ndụ mpụta mbụ ya na-eduzi Dubai Desert Rock Ememme na United Arab Emirates na Testament. Na Machị, Capitol wepụtara DVD diski abụọ, Arsenal nke Megadeth, nke gụnyere ihe ndekọ ihe ndekọ, ajụjụ ọnụ, ihe ngosi ndụ, na ọtụtụ vidiyo egwu egwu. N'ihi nsogbu ikikere, ụdaolu na vidiyo ndị na-abụghị Capitol esonyeghị. Gigantour nke abụọ malitere n'oge nkeji nke atọ nke 2006; Megadeth ọzọ na-eduga, oge a na Nwa atụrụ Chineke, Opeth, Arch Enemy na Overkill. Njem 2006 gụnyere ụbọchị atọ na Australia, nke Soulfly, Arch Enemy, na Caliban kwadoro.  Ajụjụ: Afọ ole ka nke a bụ nkeji nke abụọ?
Afọ 2006