This is not a full walkthrough, just some Guideline of the game, but i will keep on update it
Item combination, is when you use an item on any room which get extra effect. mostly you will get like +1 price and +3 QLT, some of the item will increase like APL and room bonus.
Room Combination
Cabin/Stateroom/Suite + Vending Machine +1 All
Vending Machine + Tennis Court + 1 All
Vending Machine + Driving Range +1 All
Luxury Lounge + Driving Range +1 Men
Internet + ATM +2 East/West Male
Slot Machine + Poker Lounge +1 All
Slot Machine + Roulette Room +1 All
Slot Machine + Arcade +1 East/West
Slot Machine + Slot Machine +1 All
Poker Lounge + Roulette Room +1 All
Dance Hall + Cafe +1 West/Equator
Dance Hall + Theater +1 All
Spa + Beauty Salon +1 Women
Spa + Gym +1 Women
Gym + Hot Tub +1 Women
Pool + Gym +1 East/North
Pool + Hot Tub +1 All
Group A* + Gold Kairobot Statue +2 All
Group B **+ Gold Kairobot Statue +1 All
Group A: Internet, Slot Machine, Arcade, Poker Lounge, Roulette Room, Vending Machine
Group B: Cabin/Stateroom/Suite, Toilet, Deck Chair, Tour Center, Pool, Dance Hall, Restaurant, Cafe, Luxury Lounge, Store, Theater, Beauty Salon, Spa, Gym, Tennis Court, Driving Range, Library
Not Recommend
Restaurant + Toilet -1 All
Library + Theater -1 All
Cafe + Toilet -1 All
Gym + Luxury Lounge -1 Women
Update:
Item Unlock from Tour
Wahai
1st – kairo-ade (Item)
2nd – Banana (Item)
3rd – Hibiscus (Plant)
Zipang
1st – Internet (Facility)
2nd – Lounge chair (Item)
3rd – Bonsai (Plant)
4th – Arcade (Facility)
Zhongguo
1st – Scented Candle (item)
2nd – Spa (facility)
3rd – Herb (Item)
4th – Cookie (item)
5th – Bamboo (Plant)
Deutsch
1st – Economic Times (Item)
2nd – Lux. Lounge (Store)
3rd – Library (Store)
4th – Math Book (item)
5th – Thinker (Statue)
Briton
1st – Red Carpet (Floor)
2nd – Rose (Plant)
3rd – Apple Cider (item)
4th – Driving Range (Store)
5th – Suite
Merica
1st – Energy Drink (Item)
2nd – Grass (Floor)
3rd – Dancer (Statue)
4th – Pineapple (Item)
5th – Tennis Court (store)
Snowland
1st – Poker Lounge (Store)
2nd – Ice Cream (item)
3rd – Fir Tree (Plant)
4th – Roulette RM (Store)
Gullia
1st – Music Box (Item)
2nd – Painting (Deco)
3rd – Cake (item)
4th – Angel (statue)
Aegyptus
1st – Persian Rug (carpet)
2nd – Price Seed(Item)
3rd – Dance Hall (Store)
4th – Warehouse Expansion(invest)
5th – Price Seed (item)
6th – Gold Clock (Item)
Ruska
1st – Hot Chocolate(item)
2nd – Blue Carpet
3rd – Cafe(Store)
4th – Clam Chowder(item)
5th – Fountain(Statue)
Tenochtitlan
1st – Taco (Item)
2nd – Shark Fin Soup (item)
3rd – Pool(Store)
4th – Light BGM (Item)
5th – Cactus(Plant)
Special unlock
Brnz Kairobot – The Last 3rd King/Queen
Silver Kairobot – The Last 2nd King/Queen
Gold Kairobot – The Last King/Queen
Get 2 Brnz,Silver,Gold Kairobot – Replay the game after end game
Sport Seed – Tour Review 5+ Star / Kairo Island Tour 3
Compatibility Seed – Cabin Review 5+ Star / Kairo Island Tour 4
Gourmet Seed – Food Review 5+ Star / Kairo Island Tour 2
Apeal Seed – Facility Review 5+ Star / Kairo Island Tour 1
Kairo Island – All Review 5+ (2000 Point)
Theater Unlock
Hula – Start – Quality +10, Price +$10
Belly Dancing – Persian Rug x4, Cactus x2 and a Cafe – +4 Male Compatibility (2 hearts)
Samba – Dancer Statue x2, Palm Tree x2 and a Dance Hall – Increases energy.
Opera – Thinker Statue x2, a Painting and a Library – Qlty +30
Pop Group – Angel Statue x2, a Beauty Salon and a Theater – Greatly increases energy.
Musical – A Gym and Grass (one block) – Encourages people to spend their money.
Kairo Festival – Brnz, Silver and Gold Kairobot Statues x2 – Aura
Special Item Effect
Scented Candle: Spa = | All Female +1 | Cabin = Apl+5 | Stateroom = APL+6 | Suite = Apl+8 |
Music Box : Cabin = | Apl+5 | Stateroom = Apl+4 | Suite = Apl+3 |
Gold Clock : +Price + Qlty
Herb: Spa = | Apl+5 | Hot Tub = All Female +1 |