Games like Silent Protocol
Games like Silent Protocol include Zup!, Zup! 2, Zup! F, Zup! 4, and Zup! 3. We matched them by the tags players give Silent Protocol on Steam (Point & Click, Puzzle, Experimental, Top-Down, and Hack and Slash): closest matches first, and among equally close ones the better-known games.

Zup!
Shared: Puzzle · Fast-Paced · Indie

Zup! 2
Shared: Puzzle · Indie · Fast-Paced

Zup! F
Shared: Puzzle · Fast-Paced · Indie

Zup! 4
Shared: Puzzle · Fast-Paced · Point & Click

Zup! 3
Shared: Puzzle · Fast-Paced · Indie

Zup! 8
Shared: Puzzle · Fast-Paced · Indie

Zup! X
Shared: Puzzle · Fast-Paced · Indie

Zup! 5
Shared: Puzzle · Fast-Paced · Indie

Zup! Z
Shared: Puzzle · Indie · Fast-Paced

Super Hexagon
Shared: Arcade · Fast-Paced · Indie

Zup! S
Shared: Puzzle · Indie · Fast-Paced

Hotline Miami
Shared: Action · Top-Down · Indie

Zup! Zero
Shared: Puzzle · Fast-Paced · Indie

SUPERHOT
Shared: Action · Puzzle · Indie

Zup! 6
Shared: Puzzle · Indie · Fast-Paced

Hotline Miami 2: Wrong Number
Shared: Action · Top-Down · Fast-Paced

Zup! 7
Shared: Puzzle · Fast-Paced · Indie

Zup! Zero 2
Shared: Puzzle · Fast-Paced · Indie

Gorogoa
Shared: Puzzle · Point & Click · Indie

The Room
Shared: Puzzle · Point & Click · Indie

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

Windblown
Shared: Hack and Slash · Fast-Paced · Action

Zup! 9
Shared: Puzzle · Fast-Paced · Point & Click

McPixel
Shared: Point & Click · Puzzle · Indie