Play Sonic Gems Collection once every day and accumulate over 24 hours of game play
time. Then, start the game 30 to 70 times to unlock the different end Bosses to many
classic Sonic games that you can play.
At the Sonic CD title screen while "Press Start" is blinking, press Down(3), Left,
Right, A to display the sound test menu. Set one of the following sound combinations and
press Start to activate the corresponding cheat function:
Sounds
Result
PM11, DA09
View hidden scene
PM04, DA21
View hidden scene
PM07, DA07
View hidden scene
PM12, DA25
View hidden scene
PM12, DA11
View hidden scene
PM03, DA01
View hidden scene
Sonic R
Value the above written info |
0 |
1 |
2 |
3 |
4 |
5 |
1 votes, 0 avg.
Unlocking Museum bonuses
To unlock most of the pictures in the Museum, just start each of the main games five or
ten times. Then, play each one for a few hours. Just leave the game idling; you do not
have to be actually playing for that amount of time.
To unlock the playable endings, three movie trailers, and the last picture in the
museum faster, change the day portion of the GameCube's system date. For example, change
August 25, 2005 to August 26, 2005. Then, start the game. Once you go to the museum you
will have more playable endings and/or movie trailers unlocked. Repeat this process until
you have all three movie trailers and sixteen playable endings in the museum. This will
also get you closer to unlocking the final illustration.