Games like S.F.77
Games like S.F.77 include Halo Infinite, Endless Sky, Delta Force, Cosmoteer: Starship Architect & Commander, and FTL: Faster Than Light. We matched them by the tags players give S.F.77 on Steam (Free to Play, Indie, Space, Singleplayer, and Shooter): closest matches first, and among equally close ones the better-known games.

Halo Infinite
Shared: Free to Play · Singleplayer · Shooter

Endless Sky
Shared: Free to Play · Space · Singleplayer

Delta Force
Shared: Free to Play · Singleplayer · Shooter

Cosmoteer: Starship Architect & Commander
Shared: Singleplayer · Space · Indie

FTL: Faster Than Light
Shared: Space · Indie · Singleplayer

Neon Beats
Shared: Free to Play · Indie · 2D

Ultimate Custom Night
Shared: Free to Play · Singleplayer · Indie

Aimlabs
Shared: Free to Play · Shooter · Indie

STAR WARS™ Battlefront™ II
Shared: Space · Singleplayer · Shooter

Samsara Room
Shared: Indie · Free to Play · Singleplayer

Call of Duty®: Warzone™
Shared: Free to Play · Shooter · Singleplayer

Poppy Playtime
Shared: Free to Play · Singleplayer · Indie

Hollow Knight: Silksong
Shared: Indie · Singleplayer · 2D

Where Winds Meet
Shared: Free to Play · Singleplayer · Indie

Defy Gravity Extended
Shared: Indie · Space · Singleplayer

Warframe
Shared: Free to Play · Singleplayer · Space

Apex Legends™
Shared: Free to Play · Shooter · Free To Play

Reassembly
Shared: Space · Indie · 2D

Idle Champions of the Forgotten Realms
Shared: Free to Play · Singleplayer · Indie

Dark Deception
Shared: Free to Play · Singleplayer · Indie

Destiny 2
Shared: Free to Play · Shooter · Space

My Friend Pedro
Shared: Indie · Shooter · Singleplayer

Battlefield™ REDSEC
Shared: Free to Play · Singleplayer · Shooter

Hollow Knight
Shared: Indie · 2D · Singleplayer