When performing Hop Jump, the users correct their own body while moving upward in midair so it becomes more aerodynamic, thereby allowing for more mid-air ascension regardless of momentum.
To execute Hop Jump in gameplay, the player must launch the playable character into the air through gimmicks such as Springs, Ramps, trampolines etc. In all its game appearance, the player then has to press while holding up on to execute the Hop Jump. While using Hop Jump, however, the user cannot attack enemies.
Sonic Advance 2
The Hop Jump made its debut in Sonic Advance 2 as Sonic and Amy's upward Mid-Air Trick Action. When performing the Hop Jump in this game, Sonic bends his legs slightly backward and raises one of his palms as high as he can. Amy keeps her hand in a fist and looks at the screen.
Sonic Advance 3
In Sonic Advance 3, the Hop Jump is one of Sonic and Amy's Special Actions. To be able to perform the Hop Jump in gameplay, Sonic must have Tails as his partner while Amy must be partnered with Cream. In this game, Sonic's performance of the Hop Jump is the same as it was in Sonic Advance 2.
The Hop Jump returned in Sonic Rush as one of Sonic's standard moves. In this game, Sonic will be still vulnerable to damage from enemies unless he is Boosting. In this game, Sonic's performance of the Hop Jump has been slightly altered; when using the Hop Jump, Sonic does not raise his hand and he instead twirls around himself.
Sonic Rush Adventure
The Hop Jump made another reappearance in Sonic Rush Adventure. Here, the Hop Jump's mechanics are the same as they were in Sonic Rush. In this game, Sonic's performance of the Hop Jump are the same as it were in Sonic Advance 2 and Sonic Advance 3. The Hop Jump also acts as a combo finisher when several Trick Actions have been performed.