Games like Jelly Sprint
Games like Jelly Sprint include ALTF4, Haste, Kao the Kangaroo: Round 2 (2003 re-release), Last Train Outta' Wormtown, and Disney Speedstorm. We matched them by the tags players give Jelly Sprint on Steam (Casual, Action, Racing, Platformer, and Arcade): closest matches first, and among equally close ones the better-known games.

ALTF4
Shared: Runner · Action · 3D Platformer

Haste
Shared: Action · 3D Platformer · Racing

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Action · Casual · 3D Platformer

Last Train Outta' Wormtown
Shared: Action · Platformer · 3D Platformer

Disney Speedstorm
Shared: Racing · Action · Arcade

Drift86
Shared: Racing · Casual · Arcade

VHOLUME
Shared: Casual · Platformer · 3D Platformer

SONIC X SHADOW GENERATIONS
Shared: Action · 3D Platformer · Platformer

Marble It Up! Ultra
Shared: Racing · 3D Platformer · Arcade

Retrowave
Shared: Racing · Casual · Action

Crash Bandicoot™ 4: It’s About Time
Shared: Action · Platformer · 3D Platformer

Twin Shot Deluxe
Shared: Casual · Action · Arcade

Pumpkin Jack
Shared: Action · 3D Platformer · Platformer

Spyro™ Reignited Trilogy
Shared: 3D Platformer · Action · Platformer

Rolled Out!
Shared: Racing · Casual · 3D Platformer

Denshattack!
Shared: Arcade · 3D Platformer · Platformer

Frogun
Shared: Platformer · Action · 3D Platformer

Sonic Adventure 2
Shared: Action · Platformer · 3D Platformer

Nickelodeon Kart Racers 2: Grand Prix
Shared: Action · Casual · Racing

SpeedRunners
Shared: Racing · Action · Platformer

Only Climb: Better Together
Shared: Platformer · 3D Platformer · Arcade

PAC-MAN WORLD Re-PAC
Shared: 3D Platformer · 3D · Arcade

Kao the Kangaroo: Mystery of the Volcano (2005 re-release)
Shared: Action · Casual · Platformer