All Working Sega Genesis Collection Cheats - PSP

Altered Beast Codes
Enter all codes at the Title Screen:

Press [B] and [Start] - Level Select
Hold [A] and press [Select] after a Game Over - Continue Where you left off
Hold [A] + [B] + [C] + [Down/Left] and then press [Start] - Beast Select
Hold [A] + [C] + [Up/Right] and then press [Start] - Sound Test

Gain Ground Level Select
Press [A], [B], [C], [B] on the Options Screen.

Vectorman Cab mode
During gameplay, make sure the controls are in ABC mode and pause the game. Press [O], [Square], [Left], [Left], [Square], [O], [Square], [X] (C-A-L-L-A-C-A-B). When you unpause, Vectorman will be replaced with a crosshair. You can move the crosshair anywhere in the level, and moving it over an enemy will damage them. Does not damage bosses, and you can't collect powerups. Repeat the code to return to normal.

Golden Axe 2 (8 Credits)
Press "Select", go to "Control Setup", and make sure the game is in ABC Mode. At the title screen highlight "Options". Now press & hold [A]+[B]+[C]. In the options screen continue holding [B] & [C], release only A. Configure the game however you like. Now only press the Start button to confirm all choices until you reach the character select screen. (don't forget to continue holding B & C the entire time) If you look in the lower right hand corner of the character select screen the Credits should now say 8 instead of 3.

Play as Dural in Virtua Fighter 2
Player One - When selecting a character, make sure your cursor is on Akira. Press [Left] to go to Jacky, then press [Right] to go back to Akira. When repeating this process, you'll hear a countdown begining at 5. Keep going till you reach zero. Once you reach zero, Dural will now be playable.

Player Two - When selecting a character, make sure your cursor is on Jacky. Press [Right] to go to Akira, then press [Left] to go back to Jacky. When repeating this process, you'll hear a countdown begining at 5. Keep going till you reach zero. Once you reach zero, Dural will now be playable.

Phantasy Star IV Sound Test
To unlock the sound test, beat the game. Then, at the title screen, press [B] (or whatever button you have mapped as B). A menu will pop up, and you can listen to all the music in the game.

Play the Arcade Version of Zaxxon
To unlock this classic arcade shooter, go play sonic the hedgehog and collect one chaos emerald.

To collect a chaos emerald, you have to collect 50 rings during the course of a stage and then jump through the giant ring at the end. Once inside, you'll be able to collect the emerald and unlock this classic!

Trailers
Phantasy Star Universe Trailer - Play Phantasy Star 2, 3 and 4.
Virtual Fighter 5 Trailer - Play Virtual Fighter 2.

Sonic The Hedgehog 2 Sound test Passwords
First enable ABC mode in Controller Setup. There are two sound test areas, one in options and the other in Level Select Screen. All of the follow passwords work only in the level select sound test, except the password to enable level select.

01, 09, 09, 02, 01, 01, 02, 04 - Debug Mode; Hear a Ring Noise, Hold [A] and press [Start] on Stage in Level Select.
19, 65, 09, 17 - Level Select; Hear a Ring noise, go to title screen and hold [A] and press [Start].
04, 01, 02, 06 - Super Sonic; Hear Emerald Noise, hold [A] and press [Start] on a stage in level select and you will have all Emeralds.