Games like Fly O'Clock
Games like Fly O'Clock include Timberman, Vampire Survivors, Gensokyo Night Festival, Skul: The Hero Slayer, and Hotline Miami. We matched them by the tags players give Fly O'Clock on Steam (Indie, Casual, Action, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Timberman
Shared: Casual · Indie · Pixel Graphics

Vampire Survivors
Shared: Pixel Graphics · Indie · Casual

Gensokyo Night Festival
Shared: Indie · Action · Pixel Graphics

Skul: The Hero Slayer
Shared: Indie · Action · Pixel Graphics

Hotline Miami
Shared: Indie · Action · Pixel Graphics

Broforce
Shared: Action · Pixel Graphics · Indie

Timberman VS
Shared: Casual · Indie · Action

UFO 50
Shared: Indie · Pixel Graphics · Action

Katana ZERO
Shared: Action · Pixel Graphics · Indie

Cookie Clicker
Shared: Casual · Indie · Pixel Graphics

Cyberhunt
Shared: Indie · Casual · Action

Dead Bits
Shared: Indie · Casual · Action

Rhythm Doctor
Shared: Pixel Graphics · Indie · Action

Akane
Shared: Indie · Action · Pixel Graphics

SAMOLIOTIK
Shared: Indie · Casual · Action

Megabonk
Shared: Indie · Action · Pixel Graphics

A Few Quick Matches
Shared: Indie · Casual · Action

There Is No Game: Wrong Dimension
Shared: Indie · Pixel Graphics · Casual

SANABI
Shared: Pixel Graphics · Action · Indie

Tooth and Tail
Shared: Indie · Pixel Graphics · Action

Trip to Vinelands
Shared: Indie · Action · Pixel Graphics

Dungeon Munchies
Shared: Indie · Action · Pixel Graphics

Deadly Days
Shared: Indie · Action · Casual

Witch It
Shared: Casual · Indie · Action