Games like Deadline:Aphelion
Games like Deadline:Aphelion include STAR WARS™ Battlefront™ II, EVERSPACE™, FTL: Faster Than Light, Halo: Spartan Assault, and Dome Keeper. We matched them by the tags players give Deadline:Aphelion on Steam (Sci-fi, Science, Space, Action, and Singleplayer): closest matches first, and among equally close ones the better-known games.
STAR WARS™ Battlefront™ II
Shared: Space · Sci-fi · Singleplayer
EVERSPACE™
Shared: Space · Sci-fi · Action
FTL: Faster Than Light
Shared: Space · Sci-fi · Roguelike
Halo: Spartan Assault
Shared: Sci-fi · Action · Singleplayer
Dome Keeper
Shared: Sci-fi · Singleplayer · Action
Dead Space (2008)
Shared: Sci-fi · Space · Action
Half-Life 2
Shared: Sci-fi · Action · Singleplayer
Heat Signature
Shared: Space · Sci-fi · Action
STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Sci-fi · Space
Brotato
Shared: Singleplayer · Roguelike · Action Roguelike
Dead Space
Shared: Sci-fi · Space · Singleplayer
Black Mesa
Shared: Sci-fi · Action · Singleplayer
Halo Infinite
Shared: Action · Singleplayer · Sci-fi
Titanfall® 2
Shared: Sci-fi · Singleplayer · Action
STAR WARS™: Squadrons
Shared: Space · Sci-fi · Singleplayer
Returnal™
Shared: Action · Singleplayer · Roguelike
The Binding of Isaac
Shared: Action Roguelike · Roguelike · Action
Hades
Shared: Action Roguelike · Action · Singleplayer
Mass Effect™ Legendary Edition
Shared: Sci-fi · Space · Singleplayer
STAR WARS Jedi: Survivor™
Shared: Action · Singleplayer · Sci-fi
ANVIL
Shared: Action Roguelike · Action · Sci-fi
Halo: Campaign Evolved
Shared: Action · Sci-fi · Singleplayer
Risk of Rain Returns
Shared: Action Roguelike · Sci-fi · Action
Galactic Glitch
Shared: Action Roguelike · Roguelike · Twin Stick Shooter