Games like Aegis Protocol
Games like Aegis Protocol include There Is No Game: Wrong Dimension, The Darkside Detective, Phoenix Wright: Ace Attorney Trilogy, The Case of the Golden Idol, and Tangle Tower. We matched them by the tags players give Aegis Protocol on Steam (Adventure, Point & Click, Comedy, Detective, and Mystery): closest matches first, and among equally close ones the better-known games.

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

The Darkside Detective
Shared: Point & Click · Adventure · Detective

Phoenix Wright: Ace Attorney Trilogy
Shared: Detective · Mystery · Story Rich

The Case of the Golden Idol
Shared: Detective · Mystery · Point & Click

Tangle Tower
Shared: Point & Click · Detective · Puzzle

Deponia
Shared: Adventure · Point & Click · Comedy

Sherlock Holmes: The Devil's Daughter
Shared: Adventure · Detective · Mystery

Sherlock Holmes: Crimes and Punishments
Shared: Adventure · Detective · Mystery

The Rewinder
Shared: Adventure · Mystery · Detective

L.A. Noire
Shared: Detective · Adventure · Mystery

Strange Horticulture
Shared: Mystery · Puzzle · Detective

Duck Detective: The Secret Salami
Shared: Detective · Adventure · Investigation

The Roottrees are Dead
Shared: Detective · Point & Click · Mystery

Murders on the Yangtze River
Shared: Adventure · Detective · Puzzle

Loco Motive
Shared: Point & Click · Comedy · Mystery

Thimbleweed Park™
Shared: Adventure · Point & Click · Comedy

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

The Darkside Detective: A Fumble in the Dark
Shared: Point & Click · Detective · Comedy

Broken Age
Shared: Adventure · Point & Click · Comedy

The Mermaid Mask
Shared: Adventure · Point & Click · Detective

Grim Fandango Remastered
Shared: Adventure · Point & Click · Comedy

The White Door
Shared: Adventure · Point & Click · Detective

Crushed In Time
Shared: Adventure · Point & Click · Comedy

The Rise of the Golden Idol
Shared: Mystery · Detective · Adventure