Games like FlowerRock
Games like FlowerRock include Celeste, SANABI, Leap Year, Fallout 4, and Super Meat Boy. We matched them by the tags players give FlowerRock on Steam (2D Platformer, Exploration, Precision Platformer, Alternate History, and PvE): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

SANABI
Shared: 2D Platformer · Story Rich · Platformer

Leap Year
Shared: Exploration · 2D Platformer · Precision Platformer

Fallout 4
Shared: Exploration · Post-apocalyptic · Shooter

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

VVVVVV
Shared: Precision Platformer · 2D Platformer · Platformer

Webbed
Shared: 2D Platformer · Exploration · Platformer

Hollow Knight
Shared: Platformer · Exploration · 2D

Rain World
Shared: Exploration · Platformer · 2D Platformer

FAR: Lone Sails
Shared: Exploration · Post-apocalyptic · Adventure

F.I.S.T.: Forged In Shadow Torch
Shared: 2D Platformer · Platformer · Exploration

Prince of Persia The Lost Crown
Shared: Exploration · 2D Platformer · Precision Platformer

Ori and the Will of the Wisps
Shared: Platformer · Exploration · Story Rich

Öoo
Shared: 2D Platformer · Exploration · Platformer

Bō: Path of the Teal Lotus
Shared: Precision Platformer · Exploration · 2D Platformer

JUMP KING QUEST
Shared: Exploration · Precision Platformer · 2D Platformer

Rusted Moss
Shared: Platformer · 2D Platformer · Precision Platformer

Tomb Raider Game of the Year
Shared: Exploration · Story Rich · Adventure

Katana ZERO
Shared: 2D Platformer · Platformer · Story Rich

ANTONBLAST
Shared: 2D Platformer · Exploration · 2D

BlazBlue Entropy Effect
Shared: Platformer · Action-Adventure · 2D

Thomas Was Alone
Shared: 2D Platformer · Platformer · Precision Platformer

STAR WARS Jedi: Fallen Order™
Shared: Exploration · Action-Adventure · Story Rich

Hollow Knight: Silksong
Shared: Exploration · Platformer · 2D