Editing Sonic at the Olympic Games (2020) (section)

==Development==
===Promotional===
A teaser trailer released during Tokyo Game Show 2019, and playable demo was available at the event. Those who participated received a mobile device stand promoting the game.<ref name="TGS2019">{{cite web |url=https://www.olympicvideogames.com/sonic/jp/news/20190903.html|title=PV公開、TGS2019に試遊出展決定!|accessdate=12 September 2019|date=12 September 2019|publisher=[[Sega]]|language=Japanese|archiveurl=https://web.archive.org/web/20190912081645/https://www.olympicvideogames.com/sonic/jp/news/20190903.html|archivedate=12 September 2019}}</ref>

Various rewards were added to the game depending on how many users pre-registered, starting from 14 February:<ref>https://www.olympicvideogames.com/sonic/jp/pre-regist.html</ref>
{|class="wikitable"
!Goal
!Reward
|-
|100,000
|
*BGM: "[[Ocean View (Team Sonic Racing)|Ocean View]]"  (''[[Team Sonic Racing]]'')
*Smartphone wallpapers
|-
|300,000
|
*Training points
*Social media character icons
|-
|500,000
|
*Player icon: [[wikipedia:Miraitowa and Someity|Miraitowa]]
|-
|750,000
|
*Training points
|-
|1m
|
*BGM: "[[Reach for the Stars]]" (''[[Sonic Colors]]'')
*Twitter campaign where five winners received either a phone stand, ''Sonic'' umbrella, or ''Sonic'' flying ring.
|-
|1.25m
|
*Player icon: [[Sonic the Hedgehog|Classic Sonic]]
*Smartphone wallpapers
|-
|1.5m
|
*Training points
|-
|1.75m
|
*Player icon: [[Super Sonic]]
|-
|2m
|
*BGM: "[[Sonic Mania Original Soundtrack (Selected Edition)|Glimmering Gift (Super Transformation)]]" (''[[Sonic Mania]]'')
*Training points
|}