1 - Body Swap (Both parties with swap bodies with one another)
2 - Breast Swap (Both parties will swap breasts with one another. Your choice if just breast size or literally their breasts)
3 - Ass Swap (Both parties will swap asses with one another. Your choice if just ass size or literally their asses)
4 - Age Swap (Both parties will swap ages with one another. Your choice if visible age or literal age (i.e. if a character looks young or milfy, or literally 600 years old)
5 - Intelligence Swap (Both parties swap their intelligence with one another. Does not effect personality)
6 - Role Swap (Both parties swap their position or role in society with one another (i.e. job))
7 - Species Swap (Both parties swap their species with one another)
8 - Height Swap (Both parties swap their height with one another)
9 - Weight Swap (Both parties swap their weight with one another. If one character would become too skinny, your choice if they shrink to an appropriate size for their new weight, or are simply very skinny)
10 - Family Swap (Both parties swap their families with one another)
11 - Power Swap (Both parties swap their powers and special abilities with one another. The lack of a power is considered a power in the situation of characters without powers)
12 - Gender Swap (Both parties swap their genders with one another. If both parties are already the same gender, you may choose to either skip, or invert both genders)
13 - Personality Swap (Both characters swap personality traits with one another. Does not effect intelligence)
14 - Strength Swap (Both parties swap their relative power levels with one another. A strong character becomes weak and vice versa)
15 - Head Swap (Both parties swap heads with one another. Your choice whether their consciousness goes with their head or not)
16 - Merge (Both parties fuse with one another, ending the chain sequence)

1 - Full Awareness (All of Gensokyo recognizes the two parties have swapped traits with one another, though they may still be subject to following the rules of any previous role or family swaps)
2 - Partial Awareness (Both parties are aware that they have swapped traits with one another, but the rest of Gensokyo sees the current state as how it has always been)
3 - One-sided Awareness (Only one party is aware that they have swapped traits with the other. The other party and the rest of Gensokyo see the current state as how it has always been)
4 - Unaware (All of Gensokyo and the parties included see the current state as how it has always been)