Games like FOS
Games like FOS include Marvel Rivals, Terraria, Neverwinter, Stardew Valley, and Where Winds Meet. We matched them by the tags players give FOS on Steam (Free to Play, RPG, Adventure, Indie, and Action): closest matches first, and among equally close ones the better-known games.

Marvel Rivals
Shared: Free to Play · Multiplayer · Action

Terraria
Shared: Adventure · Pixel Graphics · Multiplayer

Neverwinter
Shared: Free to Play · RPG · Adventure

Stardew Valley
Shared: RPG · Pixel Graphics · Multiplayer

Where Winds Meet
Shared: Free to Play · Multiplayer · Adventure

Once Human
Shared: Free to Play · Action · Multiplayer

SMITE®
Shared: Free to Play · Action · Multiplayer

Trove
Shared: Free to Play · Pixel Graphics · RPG

UFO 50
Shared: Indie · Pixel Graphics · Action

Magicite
Shared: RPG · Indie · Pixel Graphics

Apex Legends™
Shared: Free to Play · Multiplayer · Action

Dungeon Munchies
Shared: Indie · Adventure · Action

Hero Siege
Shared: RPG · Pixel Graphics · Multiplayer

Broforce
Shared: Action · Pixel Graphics · Indie

The First Descendant
Shared: Free to Play · RPG · Multiplayer

Idle Champions of the Forgotten Realms
Shared: Free to Play · Adventure · RPG

Streets of Rogue
Shared: RPG · Pixel Graphics · Action

Wuthering Waves
Shared: Free to Play · RPG · Action

Brawlhalla
Shared: Free to Play · Multiplayer · Casual

DAVE THE DIVER
Shared: Adventure · Pixel Graphics · Casual

Timberman
Shared: Indie · Pixel Graphics · Casual

Palia
Shared: Free to Play · Multiplayer · RPG

Path of Exile
Shared: Free to Play · RPG · Multiplayer

Vampire Survivors
Shared: Pixel Graphics · Indie · 2D