Games like Astral Gun
Games like Astral Gun include Stick Fight: The Game, Timberman VS, Move or Die, Gang Beasts, and SpeedRunners. We matched them by the tags players give Astral Gun on Steam (Indie, Casual, Action, 4 Player Local, and Local Multiplayer): closest matches first, and among equally close ones the better-known games.

Stick Fight: The Game
Shared: Action · Local Multiplayer · 4 Player Local

Timberman VS
Shared: Casual · Indie · Action

Move or Die
Shared: Action · Local Multiplayer · Indie

Gang Beasts
Shared: Action · Casual · Local Multiplayer

SpeedRunners
Shared: Indie · Local Multiplayer · Action

Timberman
Shared: Casual · Indie · Action

Overcooked! 2
Shared: Casual · 4 Player Local · Indie

A Few Quick Matches
Shared: Indie · Casual · 4 Player Local

Party Panic
Shared: Casual · 4 Player Local · Indie

Moving Out
Shared: Casual · Indie · Action

Duck Game
Shared: Action · Local Multiplayer · Indie

Overcooked
Shared: Indie · Casual · Local Multiplayer

Pummel Party
Shared: 4 Player Local · Casual · Local Multiplayer

Brawlhalla
Shared: Casual · Local Multiplayer · Action

Hidden in Plain Sight
Shared: 4 Player Local · Local Multiplayer · Casual

Juicy Realm
Shared: Indie · Action · Casual

TowerFall Ascension
Shared: Indie · Local Multiplayer · Action

Party Animals
Shared: Casual · Action · Local Multiplayer

Rivals of Aether II
Shared: Indie · Action · Local Multiplayer

Unrailed!
Shared: Casual · Action · Local Multiplayer

Lovers in a Dangerous Spacetime
Shared: 4 Player Local · Local Multiplayer · Indie

Floppy Heroes
Shared: Casual · Indie · Action

AVICII Invector
Shared: Indie · Casual · Local Multiplayer

Crawl
Shared: Indie · 4 Player Local · Local Multiplayer