Joe Davis:  Successfully complete a season ranked at number one.

John Virgo:  Successfully complete the Snooker Trickshot Challenge.

Bonus FMV sequences:  Successfully complete a classic match to unlock one of the bonus FMV sequences.

Bonus venues:  Win a tournament to unlock the corresponding venue in single player mode.

Past Champions photo gallery:  Complete the following tasks to unlock the corresponding photos in the Past Champions gallery.

1 to 5: Already available.
6: Win the LG Cup.
7: Win the British Open.
8: Win the first One on One.
9: Win the UK Championship.
10: Win the Royal Welsh.
11: Win The Masters.
12: Win the European Open.
13: Win the second One on One.
14: Win The Champion's Cup.
15: Win the Irish Masters.
16: Win the third One on One.
17: Win the Player's Championship.
18: Win the Nation's Challenge.
19: Win the World Championship.

Memorabilia photo gallery:  Use a created character to complete the following tasks and unlock the corresponding photos in the Memorabilia gallery

Break over 30.
Break over 50.
Clear the colors.
Win a frame by over 50 points.
Play in The Crucible.
Potted with a plant shot.
Potting a ball off a break (in Snooker).
Potting two or more reds in a single shot (in Snooker).
Break of over 100.
Totally clear the table.
147 maximum break.