Red-5 rules are in effect (one tile each of 5 Bamboos, 5 Characters, and 5 Circles are red and act as a dora tile)
Chun tiles are always Dora tiles (just like the red tiles)
Marisa's Magic Shop
Starting Points: 30,000 (with return of 30,000)
Special Skills: Enabled
Notes:
Location of Marisa's story.
27-Red rules in effect (one tile each of every number - 1 to 9 in Bamboos, Characters, and Circles - are red and act as dora tile).
The game does not end if someone's points fall below zero.
Reverse dora is always revealed, whether you reach or not.
Scarlet Devil Mansion
Starting Points: 50,000 (with return of 60,000)
Special Skills: Enabled
Notes:
Location of Remilia's story.
Tsumo wins are worth double.
Hakugyokurou
Starting Points: 15,000 (with return of 20,000)
Special Skills: Enabled, but charges slower.
Notes:
Location of Yuyuko's story.
The game DOES end if someone's points fall below zero, so play carefully.
Eientei
Starting Points: 25,000 (with return of 30,000)
Special Skills: Enabled
Notes:
Location of Kaguya's story.
No Ippatsu bonus (winning 1 turn after declaring Riichi)
No Kan Dora or Ura Dora (i.e. you never ever flip extra Dora tiles regardless of any Kan or winning by Riichi)
Youkai Mountain
Starting Points: 25,000 (with return of 30,000)
Special Skills: Disabled
Notes:
Location of Aya's story.
A hand with only Open TanYao is not accepted as a valid win.
Palace of the Earth Spirits
Starting Points: 20,000 (with return of 30,000)
Special Skills: Enabled
Notes:
Location of Satori's story.
The game does not end if someone's points falls into the negative.
Ron wins are worth double.
(Tenshi's Stage)
Starting Points: 5,000,000 (with return of 5,000,000)
Special Skills: Enabled
Notes:
Location of Tenshi's story.
That is not a typo. You start with 5 million points.
(needs info)
(Rinnosuke's Stage)
Starting Points: 25,000 (with return of 30,000)
Special Skills: Enabled
Notes:
Location of Rinnosuke's story.
You will only earn points for hands worth above 8,000 points.
The value of reach is doubled, as in Chen's power: Reach is worth 2 yaku, and Double Reach 4 yaku.
(Uwabami Breakers Stage)
Starting Points: 0
Special Skills: Enabled
Notes:
Location of the Uwabami Breakers story.
You cannot lose points here, only gain them. (Do note this applies to reaching also.) This fundamentally makes winning through self-made or discard the same.
Additionally, some sort of score delimiter is in effect here too, as in Tenshi's stage. This writer saw a hand of 96000 points. (needs info)