Games like UFO Sightings Simulator
Games like UFO Sightings Simulator include Palworld, Supermarket Simulator, Car Dealer Simulator, Slime Rancher 2, and My Winter Car. We matched them by the tags players give UFO Sightings Simulator on Steam (Creature Collector, Hidden Object, Survival, Trading, and Life Sim): closest matches first, and among equally close ones the better-known games.

Palworld
Shared: Creature Collector · Survival · Open World

Supermarket Simulator
Shared: Trading · Simulation · Life Sim

Car Dealer Simulator
Shared: Trading · Life Sim · Simulation

Slime Rancher 2
Shared: Creature Collector · Open World · First-Person

My Winter Car
Shared: Life Sim · Simulation · Survival

Car For Sale Simulator
Shared: Trading · Life Sim · Simulation

The Coin Game
Shared: Life Sim · Survival · Open World

The Long Dark
Shared: Survival · Open World · First-Person

No Man's Sky
Shared: Survival · Open World · Sci-fi

My Summer Car
Shared: Survival · Open World · Simulation

Streamer Life Simulator 2
Shared: Life Sim · First-Person · Simulation

The Forest
Shared: Survival · Open World · First-Person

My Time at Portia
Shared: Life Sim · Open World · Casual

Subnautica
Shared: Survival · Open World · First-Person

Sons Of The Forest
Shared: Survival · Open World · First-Person

Finnish Cottage Simulator
Shared: 3D · First-Person · Simulation

Streamer Life Simulator
Shared: Life Sim · Simulation · Casual

Rust
Shared: Survival · Open World · First-Person

TOGETHER BnB
Shared: 3D · Life Sim · Open World

Subnautica: Below Zero
Shared: Survival · Open World · First-Person

Internet Cafe Simulator 2
Shared: 3D · Simulation · First-Person

WolfQuest: Anniversary Edition
Shared: Survival · Life Sim · Open World

Raft
Shared: Survival · Open World · First-Person

Hobo: Tough Life
Shared: Survival · Open World · First-Person