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)
Kirisame 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.
No open tanyao.
No ryanhan shibari. (The rule that after five consecutive dealer wins or draws, hands must have two han in order to 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.
If the dealer is leading in points, her hand is always visible.
If this changes at any time during the hand (due to a riichi stick or Yuyuko's ability, for example) that change is immediately reflected.
Stone Stage of the Heavens
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.
Score calculation uses "skyrocketing rules" (Limits are not used; all scores are calculated according to the standard formula. Yakuman hands are counted as 13 han.)
Ex: A 20 fu, 7 han hand, ordinarily a haneman worth 12000 points for a non-dealer, would be worth 41100 points instead.
The game DOES end if someone's points fall below zero.
Kourindou
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.
Twilight Bar
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.
"Skyrocketing rules" are used as in the Stone Stage of the Heavens.
Muen Tsuka
Starting Points: 30,000
Special Skills: Enabled
Notes:
No red dora tiles.
No open tanyao.
No ryanhan shibari
Riichi doesn't cost 1,000 points.
You cannot gain points here, only lose them.
The game DOES end if someone's points fall below zero.