Games like Neptune: Arena FPS
Games like Neptune: Arena FPS include SUPERHOT, Dead Bits, Devil Daggers, KovaaK's, and Bright Memory: Infinite. We matched them by the tags players give Neptune: Arena FPS on Steam (Action, Indie, Casual, Arena Shooter, and FPS): closest matches first, and among equally close ones the better-known games.

SUPERHOT
Shared: Action · Indie · FPS

Dead Bits
Shared: Action · Indie · Casual

Devil Daggers
Shared: Indie · Action · FPS

KovaaK's
Shared: Action · Indie · FPS

Bright Memory: Infinite
Shared: Action · Indie · FPS

ATOMEGA
Shared: Action · Indie · FPS

ULTRAKILL
Shared: FPS · Arena Shooter · Indie

Yokai's Secret
Shared: Indie · Casual · Action

Lost
Shared: Casual · Indie · FPS

Apewar
Shared: Action · FPS · Arena Shooter

VLADiK BRUTAL
Shared: Action · FPS · Casual

Aimlabs
Shared: Action · FPS · Indie

WARDOGS
Shared: Action · FPS · Indie

Echo Point Nova
Shared: FPS · Action · Arena Shooter

Timberman
Shared: Casual · Indie · Action

Turbo Overkill
Shared: Action · FPS · Indie

Starship Troopers: Extermination
Shared: Action · FPS · Indie

Contractors
Shared: Action · Indie · FPS

Witch It
Shared: Casual · Indie · Action

Tower Unite
Shared: Casual · Indie · Action

How to Fish
Shared: Indie · Action · FPS

Liars Bar
Shared: Casual · Indie · FPS

Blockstorm
Shared: Action · Indie · FPS

Penguins Arena: Sedna's World
Shared: Action · Indie · Casual