Games like Asteroids and Aliens
Games like Asteroids and Aliens include STAR WARS™ Battlefront™ II, Starship Troopers: Extermination, HELLDIVERS™ 2, Half-Life: Alyx, and Project Wingman. We matched them by the tags players give Asteroids and Aliens on Steam (Action, Swordplay, Shooter, Sci-fi, and Arcade): closest matches first, and among equally close ones the better-known games.

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Sci-fi

Starship Troopers: Extermination
Shared: Action · Sci-fi · Combat

HELLDIVERS™ 2
Shared: Action · Shooter · Sci-fi

Half-Life: Alyx
Shared: VR · Shooter · Action

Project Wingman
Shared: Action · VR · Arcade

EVERSPACE™
Shared: Action · Sci-fi · Space

STAR WARS™: Squadrons
Shared: VR · Action · Sci-fi

STAR WARS Jedi: Survivor™
Shared: Action · Sci-fi · Swordplay

Half-Life 2
Shared: Action · Sci-fi · Shooter

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Shooter · Sci-fi

Space Pirate Trainer
Shared: Action · VR · Shooter

BONELAB
Shared: VR · Action · Shooter

Black Mesa
Shared: Action · Sci-fi · Shooter

BONEWORKS
Shared: VR · Action · Shooter

Bright Memory: Infinite
Shared: Action · Shooter · Sci-fi

War Thunder
Shared: Action · VR · Combat

Titanfall® 2
Shared: Shooter · Action · Sci-fi

Until You Fall
Shared: VR · Swordplay · Action

Pavlov
Shared: VR · Action · Shooter

Halo Infinite
Shared: Action · Shooter · Sci-fi

Clone Drone in the Danger Zone
Shared: Action · Swordplay · Robots

Call of Duty®: Black Ops III
Shared: Action · Shooter · Sci-fi

Vertigo 2
Shared: VR · Sci-fi · Shooter

Dead Space (2008)
Shared: Action · Sci-fi · Space