Games like Inertia ball
Games like Inertia ball include Kena: Bridge of Spirits, Sonic Frontiers, No Man's Sky, EVE Online, and Tomb Raider Game of the Year. We matched them by the tags players give Inertia ball on Steam (Adventure, Action-Adventure, Space Sim, Sandbox, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

Kena: Bridge of Spirits
Shared: Adventure · Action-Adventure · Exploration

Sonic Frontiers
Shared: Adventure · 3D Platformer · Action-Adventure

No Man's Sky
Shared: Exploration · Adventure · Space

EVE Online
Shared: Space Sim · Adventure · Exploration

Tomb Raider Game of the Year
Shared: Adventure · Action-Adventure · Third Person

Solar Ash
Shared: Adventure · Action-Adventure · 3D Platformer

Rise of the Tomb Raider™
Shared: Adventure · Action-Adventure · Exploration

A Plague Tale: Requiem
Shared: Adventure · Action-Adventure · Exploration

Starfield
Shared: Exploration · Space · Action-Adventure

STAR WARS Jedi: Fallen Order™
Shared: Action-Adventure · Third Person · Exploration

Warhammer 40,000: Space Marine 2
Shared: Adventure · Action-Adventure · Third Person

Elite Dangerous
Shared: Space Sim · Exploration · Space

STAR WARS Jedi: Survivor™
Shared: Adventure · Action-Adventure · Third Person

Hogwarts Legacy
Shared: Adventure · Exploration · Action-Adventure

Crimson Desert Enhanced
Shared: Adventure · Exploration · Action-Adventure

Avorion
Shared: Sandbox · Space Sim · Exploration

Kerbal Space Program
Shared: Sandbox · Space Sim · Space

Deliver Us The Moon
Shared: Adventure · Space · Space Sim

Exo One
Shared: Adventure · Exploration · Space

Ratchet & Clank: Rift Apart
Shared: Adventure · Action-Adventure · 3D Platformer

Stray
Shared: Adventure · Exploration · Atmospheric

Pumpkin Jack
Shared: Adventure · 3D Platformer · Third Person

Gothic 1 Remake
Shared: Adventure · Exploration · Third Person

The Gunk
Shared: Action-Adventure · 3D Platformer · Adventure