Games like Ball Adventure
Games like Ball Adventure include Pikuniku, Planet of Lana, Portal 2, LIMBO, and Webbed. We matched them by the tags players give Ball Adventure on Steam (Casual, Adventure, Action, Arcade, and Puzzle): closest matches first, and among equally close ones the better-known games.

Pikuniku
Shared: Adventure · Casual · Puzzle

Planet of Lana
Shared: Action · Puzzle · Adventure

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

LIMBO
Shared: Puzzle · Platformer · Adventure

Webbed
Shared: 2D Platformer · Platformer · Puzzle Platformer

BEEP
Shared: Adventure · Platformer · Action

Ori and the Will of the Wisps
Shared: Action · Platformer · Adventure

Defy Gravity Extended
Shared: Platformer · Puzzle · Puzzle Platformer

Trine 2: Complete Story
Shared: Platformer · Action-Adventure · Puzzle

FEZ
Shared: Puzzle · Platformer · Adventure

SANABI
Shared: Action · Adventure · 2D Platformer

Sonic Superstars
Shared: Action · Adventure · Casual

Zup! 2
Shared: Casual · Puzzle · 2D

Chained Together
Shared: Adventure · Casual · Platformer

Sonic Origins
Shared: Action · Adventure · Casual

Zup!
Shared: Casual · Puzzle · Indie

Rogue Legacy 2
Shared: Arcade · Action · Platformer

Human Fall Flat
Shared: Puzzle · Adventure · Action

Nihilumbra
Shared: Adventure · Casual · Puzzle

Laughing to Die
Shared: Casual · Adventure · Puzzle

Darwin's Paradox!
Shared: Adventure · Action · Puzzle

Zup! S
Shared: Casual · Puzzle · 2D

Toki Tori
Shared: Casual · Puzzle · Platformer

Zup! 8
Shared: Casual · Puzzle · 2D