Games like Lifeslide
Games like Lifeslide include Flower, My Little Puppy, Brothers - A Tale of Two Sons, Superflight, and Neva. We matched them by the tags players give Lifeslide on Steam (Indie, Adventure, Flight, Arcade, and 3D): closest matches first, and among equally close ones the better-known games.

Flower
Shared: Adventure · Flight · Indie

My Little Puppy
Shared: Adventure · Colorful · Emotional

Brothers - A Tale of Two Sons
Shared: Adventure · Indie · Atmospheric

Superflight
Shared: Indie · Flight · Atmospheric

Neva
Shared: Adventure · Indie · Atmospheric

COCOON
Shared: Adventure · Indie · 3D

Chants of Sennaar
Shared: Adventure · Indie · Colorful

PEAK
Shared: Adventure · 3D · Indie

Journey
Shared: Adventure · Indie · Atmospheric

Copycat
Shared: Indie · Adventure · Emotional

Exo One
Shared: Flight · Adventure · Atmospheric

Bomb Rush Cyberfunk
Shared: Adventure · Stylized · Colorful

The Last Campfire
Shared: Adventure · Indie · Atmospheric

Microsoft Flight Simulator (2020) 40th Anniversary Edition
Shared: Flight · Adventure · Atmospheric

AER Memories of Old
Shared: Adventure · Indie · Flight

Trailmakers
Shared: Adventure · Flight · Family Friendly

Moncage
Shared: Indie · Adventure · Abstract

Sky Rogue
Shared: Indie · Flight · 3D

Cairn
Shared: Indie · Adventure · Stylized

Slime Rancher 2
Shared: Adventure · Colorful · Indie

Donut County
Shared: Indie · Adventure · Casual

Totally Accurate Battle Simulator
Shared: Indie · Adventure · Colorful

GRIS
Shared: Indie · Adventure · Atmospheric

How to Fish
Shared: Indie · Adventure · 3D