Games like Tethyscope
Games like Tethyscope include PC Building Simulator, Electrician Simulator, Seafarer: The Ship Sim, Internet Cafe Simulator 2, and Placid Plastic Duck Simulator. We matched them by the tags players give Tethyscope on Steam (Casual, Simulation, Education, Life Sim, and Collectathon): closest matches first, and among equally close ones the better-known games.

PC Building Simulator
Shared: Simulation · Education · Immersive Sim

Electrician Simulator
Shared: Simulation · Education · Immersive Sim

Seafarer: The Ship Sim
Shared: Simulation · Casual · Life Sim

Internet Cafe Simulator 2
Shared: Simulation · Exploration · Life Sim

Placid Plastic Duck Simulator
Shared: Casual · Collectathon · Simulation

Streamer Life Simulator 2
Shared: Simulation · Life Sim · Casual

My Time at Portia
Shared: Life Sim · Simulation · Casual

Chinese Parents
Shared: Life Sim · Simulation · Casual

Ultimate Fishing Simulator
Shared: Simulation · 3D · Casual

Two Point Museum
Shared: Casual · Simulation · Life Sim

Paralives
Shared: Simulation · Life Sim · Casual

Car Dealer Simulator
Shared: Simulation · Life Sim · Casual

TCG Card Shop Simulator
Shared: Simulation · Collectathon · Life Sim

Euro Truck Simulator 2
Shared: Simulation · Exploration · Immersive Sim

Animal Shelter
Shared: Casual · Education · Life Sim

Prison Escape Simulator: Dig Out
Shared: Simulation · Casual · 3D

House Flipper
Shared: Simulation · Casual · Education

Finnish Cottage Simulator
Shared: Simulation · Casual · Life Sim

Streamer Life Simulator
Shared: Simulation · Casual · Life Sim

Librarian: Tidy Up the Arcane Library!
Shared: Casual · Collectathon · Simulation

Chill with You : Lo-Fi Story
Shared: Casual · Atmospheric · Immersive Sim

Hello Kitty Island Adventure
Shared: Simulation · Casual · Life Sim

BidKing
Shared: Casual · Simulation · Life Sim

Disney Dreamlight Valley
Shared: Life Sim · Simulation · Exploration