The latter category of songs were meant to simulate the electronic sound effects of 16-bit videogames and are played during the Retro Mode.

[4] Omega Five sound track (オメガファイブ サウンドトラック) was published by the Sweeprecord label on March 19, 2008 under the catalog number SRIN-1041.

The album includes the participation of Shinji Hosoe, Ayako Saso, Hiroto Saito, Yousuke Yasui and Takanori Sato.

"[15] Eurogamer criticized the game's "overly fussy control scheme", but said it was "technically the most impressive exclusive XBLA title.

"[10] TeamXbox praised "pure, old-school, side-scrolling action wrapped up in a gorgeous visual package" but added, "if you're not a hard-core shooting fan or if you like a little extra substance with your video-game meal, Omega Five will likely leaving you with an unfilled appetite and hungry for more.