Games like Secret Agent Puzzle
Games like Secret Agent Puzzle include There Is No Game: Wrong Dimension, DELTARUNE, The Darkside Detective, The Rewinder, and Undertale. We matched them by the tags players give Secret Agent Puzzle on Steam (Puzzle, Pixel Graphics, Funny, 2D, and Comedy): closest matches first, and among equally close ones the better-known games.

There Is No Game: Wrong Dimension
Shared: Puzzle · Pixel Graphics · Funny

DELTARUNE
Shared: Pixel Graphics · Funny · 2D

The Darkside Detective
Shared: Pixel Graphics · Detective · Funny

The Rewinder
Shared: Pixel Graphics · Puzzle · Mystery

Undertale
Shared: Pixel Graphics · Funny · Story Rich

Dude, Stop
Shared: Puzzle · Pixel Graphics · Funny

The Darkside Detective: A Fumble in the Dark
Shared: Pixel Graphics · Puzzle · Comedy

Thimbleweed Park™
Shared: Pixel Graphics · Puzzle · Comedy

The Case of the Golden Idol
Shared: Puzzle · Mystery · Detective

Phoenix Wright: Ace Attorney Trilogy
Shared: Detective · Mystery · Puzzle

Tangle Tower
Shared: Puzzle · Detective · Funny

Gunpoint
Shared: Puzzle · Pixel Graphics · 2D

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

Lost in Play
Shared: Puzzle · Funny · 2D

Turnip Boy Commits Tax Evasion
Shared: Puzzle · Funny · Comedy

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Funny · 2D · Casual

Sanfu
Shared: Puzzle · Mystery · 2D

FEZ
Shared: Puzzle · Pixel Graphics · Casual

Impostor Factory
Shared: Pixel Graphics · 2D · Story Rich

Little Inferno
Shared: Puzzle · Funny · Casual

Return to Monkey Island
Shared: Puzzle · Funny · Comedy

McPixel
Shared: Pixel Graphics · Puzzle · Comedy

CHUCHEL
Shared: Funny · Comedy · Casual

OneShot
Shared: Pixel Graphics · Puzzle · Story Rich