Mario & Sonic at the Rio 2016 Olympic Games (Nintendo 3DS)

Mario & Sonic at the Rio 2016 Olympic Games is an upcoming sports title for the Nintendo 3DS, which is the fifth installment on the Mario & Sonic series, along with the Wii U version. Like the other games, it takes place in the host city of the Olympics of the corresponding year, being Rio de Janeiro. This game will also have amiibo compatibility.

Characters
All playable characters from previous games in the series have been confirmed to return, in addition to 20 new playable characters (10 new Mario characters and 10 new Sonic characters) announced so far, for a current total of 41 playable characters. Similarly to the Nintendo 3DS version of Mario & Sonic at the London 2012 Olympic Games, characters are only playable in certain events, with the exceptions of Mario, Sonic, and Mii characters (who are playable in all events). All the other returning characters are exclusive to two events each, while the new characters are only available for one. Also, this is the first game in the series to feature unlockable playable characters (indicated by an *).

Team Mario

 * Mario (available in all events )
 * Luigi (exclusive to Table Tennis and 110m Hurdles )
 * Peach (exclusive to Golf and 100m Freestyle )
 * Daisy (exclusive to Football and Rhythmic Gymnastics: Hoop )
 * Yoshi (exclusive to Football and 100m )
 * Bowser (exclusive to Golf and Boxing )
 * Bowser Jr. (exclusive to Long Jump and Equestrian )
 * Wario (exclusive to Javelin Throw and Archery )
 * Waluigi (exclusive to Long Jump and BMX )
 * Donkey Kong (exclusive to Boxing and Beach Volleyball )
 * Diddy Kong* (new, exclusive to 110m Hurdles )
 * Nabbit* (new, exclusive to 100m )
 * Rosalina* (new, exclusive to Rhythmic Gymnastics: Hoop )
 * Ludwig (new, exclusive to Table Tennis )
 * Wendy* (new, exclusive to 100m Freestyle )
 * Dry Bones (new, exclusive to BMX )
 * Birdo (new, exclusive to Archery )
 * Dry Bowser* (new, exclusive to Javelin Throw )
 * Larry* (new, exclusive to Equestrian )
 * Roy* (new, exclusive to Beach Volleyball )

Team Mario (supporting characters)

 * Toads
 * Pom Pom
 * Yoshis
 * Birdos

Team Sonic

 * Sonic (available in all events )
 * Tails (exclusive to 100m Freestyle and Beach Volleyball )
 * Amy (exclusive to 100m Freestyle and Rhythmic Gymnastics: Hoop )
 * Shadow (exclusive to Soccer and 100m )
 * Silver (exclusive to 110m Hurdles and Archery )
 * Dr. Eggman (exclusive to 110m Hurdles and Equestrian )
 * Metal Sonic (exclusive to 100m and BMX )
 * Knuckles (exclusive to Javelin Throw and Boxing )
 * Blaze (exclusive to Equestrian and Rhythmic Gymnastics: Hoop )
 * Vector (exclusive to Golf and Table Tennis )
 * Rouge (new, exclusive to Golf )
 * Jet* (new, exclusive to Soccer )
 * Wave* (new, exclusive to BMX )
 * Sticks* (new, exclusive to Archery )
 * Omega (new, exclusive to Javelin Throw )
 * Zazz* (new, exclusive to Table Tennis )
 * Espio (new, exclusive to Long Jump )
 * Zavok* (new, exclusive to Boxing )
 * Eggman Nega* (new, exclusive to Long Jump )
 * Cream (new, exclusive to Beach Volleyball )

Team Sonic (supporting characters)

 * Chao
 * Egg Pawns
 * Wisps

Other

 * Miis (available in all events )

Non-playable characters

 * Shy Guys
 * Koopa Troopas
 * Goombas
 * Toads
 * Chao
 * Orbot
 * Cubot

Events
A total of 14 events have been announced so far, each with 2 variants; a "Normal" version in which the events behave similarly to their real-life counterparts, and a "Dream" version where Mario and Sonic elements are incorporated into the event.
 * 100m Dash
 * 110m Hurdles
 * Table Tennis
 * Javelin Throw
 * BMX
 * Long Jump
 * Beach Volleyball
 * 100m Freestyle
 * Equestrian
 * Golf
 * Rhythmic Gymnastics: Hoop
 * Boxing
 * Archery
 * Football

amiibo
The game is also set to have amiibo functionality, but only with the Mario and Sonic amiibo. Using them will turn the Mario costume into the Gold Mario costume and the Sonic costume into the Super Sonic costume respectively.

Adventure Mode
The game is also set to have a Adventure mode similar to Mario & Sonic at the Olympic Winter Games (Nintendo DS) and Mario Golf: World Tour with the Mii challenging different characters to events. After playing a certain amount of rounds, the player will challenge a tower stage and then progress onto a new area. The mode will be divided into two sections: Mario adventure and Sonic adventure with a special ending for completing both.

Challenge Mode
The game will also have a challenge mode similar to Super Smash Bros for 3DS.

Trivia

 * This is the first game in the Mario & Sonic series to feature the playable debut of characters, specifically Eggman Nega, Zazz, and Zavok.
 * This is the first Mario and Sonic game where Sonic talks.