Games like Furni-Jumpin'
Games like Furni-Jumpin' include Celeste, Downwell, Super Meat Boy, SANABI, and Geometry Dash. We matched them by the tags players give Furni-Jumpin' on Steam (Action, Casual, Arcade, Platformer, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Platformer · 2D Platformer

Downwell
Shared: Precision Platformer · Platformer · Arcade

Super Meat Boy
Shared: Platformer · Precision Platformer · 2D Platformer

SANABI
Shared: Action · 2D Platformer · Pixel Graphics

Geometry Dash
Shared: Precision Platformer · 2D · Platformer

Katana ZERO
Shared: Action · Platformer · 2D Platformer

Broforce
Shared: Action · Platformer · 2D

Rogue Legacy 2
Shared: Arcade · Action · Platformer

Skul: The Hero Slayer
Shared: Action · Platformer · 2D

Twin Shot Deluxe
Shared: Action · Casual · Arcade

pureya
Shared: Casual · Arcade · 2D

Sonic Origins
Shared: Action · 2D Platformer · Platformer

VVVVVV
Shared: Platformer · Precision Platformer · 2D Platformer

Timberman
Shared: Casual · Action · Arcade

Shovel Knight: Treasure Trove
Shared: Platformer · Action · Pixel Graphics

8BitBoy™
Shared: Action · Platformer · Casual

Vampire Survivors
Shared: Casual · 2D · Pixel Graphics

Gensokyo Night Festival
Shared: Action · Casual · Pixel Graphics

DJMAX RESPECT V
Shared: Casual · Action · Arcade

Pizza Tower
Shared: 2D Platformer · Platformer · Action

SUPER CHICKEN JUMPER
Shared: Arcade · 2D · Action

Rogue Legacy
Shared: Platformer · Action · 2D

Gravity Circuit
Shared: Action · Platformer · 2D Platformer

UFO 50
Shared: Action · Arcade · Pixel Graphics