Games like Holy Light
Games like Holy Light include Neighbours back From Hell, There Is No Game: Wrong Dimension, That's not my Neighbor, DAVE THE DIVER, and The Room. We matched them by the tags players give Holy Light on Steam (Adventure, Casual, Racing, Point & Click, and Match 3): closest matches first, and among equally close ones the better-known games.

Neighbours back From Hell
Shared: Point & Click · Adventure · Casual

There Is No Game: Wrong Dimension
Shared: Adventure · Point & Click · Casual

That's not my Neighbor
Shared: Adventure · Casual · Point & Click

DAVE THE DIVER
Shared: Casual · Adventure · Singleplayer

The Room
Shared: Point & Click · Adventure · Singleplayer

Syberia
Shared: Adventure · Point & Click · Casual

Need for Speed™ Heat
Shared: Racing · Adventure · Singleplayer

Broken Age
Shared: Adventure · Point & Click · Casual

Florence
Shared: Casual · Adventure · Singleplayer

Need for Speed™ Unbound
Shared: Racing · Singleplayer · Casual

Monument Valley
Shared: Adventure · Casual · Singleplayer

Mirror 2: Project X
Shared: Match 3 · Casual · Singleplayer

Shin chan: Shiro and the Coal Town
Shared: Adventure · Casual · Point & Click

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Adventure · Casual · Racing

Slime Rancher
Shared: Adventure · Singleplayer · Casual

Return to Monkey Island
Shared: Adventure · Point & Click · Singleplayer

Hero of the Kingdom
Shared: Adventure · Casual · Point & Click

The Walking Dead
Shared: Adventure · Point & Click · Singleplayer

The Room 4: Old Sins
Shared: Adventure · Point & Click · Singleplayer

Storyteller
Shared: Point & Click · Adventure · Casual

Chants of Sennaar
Shared: Adventure · Point & Click · Singleplayer

Duck Detective: The Ghost of Glamping
Shared: Casual · Adventure · Point & Click

The Wolf Among Us
Shared: Adventure · Point & Click · Casual

Duck Detective: The Secret Salami
Shared: Casual · Adventure · Point & Click