Games like D.R.I.F.T.
Games like D.R.I.F.T. include EVE Online, X4: Foundations, Elite Dangerous, Kerbal Space Program, and Empyrion - Galactic Survival. We matched them by the tags players give D.R.I.F.T. on Steam (Space Sim, Exploration, Time Management, Transportation, and Trading): closest matches first, and among equally close ones the better-known games.

EVE Online
Shared: Space Sim · Exploration · Trading

X4: Foundations
Shared: Space Sim · Exploration · Simulation

Elite Dangerous
Shared: Space Sim · Exploration · Simulation

Kerbal Space Program
Shared: Space Sim · Simulation · Space

Empyrion - Galactic Survival
Shared: Simulation · Exploration · Space Sim

A Game About Digging A Hole
Shared: Exploration · Mining · Simulation

No Man's Sky
Shared: Exploration · Space · Space Sim

Euro Truck Simulator 2
Shared: Transportation · Simulation · Exploration

Avorion
Shared: Exploration · Space Sim · Sandbox

X Rebirth
Shared: Space Sim · Simulation · Space

Starminer
Shared: Space Sim · Exploration · Trading

Spaceflight Simulator
Shared: Space Sim · Exploration · Simulation

Cosmonautica
Shared: Trading · Simulation · Space Sim

American Truck Simulator
Shared: Transportation · Simulation · Exploration

Gold Mining Simulator
Shared: Mining · Simulation · Indie

Space Engineers
Shared: Simulation · Space · Sandbox

Ostranauts
Shared: Space Sim · Simulation · Exploration

Kerbal Space Program 2
Shared: Exploration · Space Sim · Space

Star Trucker
Shared: Space Sim · Transportation · Exploration

Barn Finders
Shared: Simulation · Trading · Exploration

Interstellar Rift
Shared: Space Sim · Exploration · Mining

Frontier Pilot Simulator
Shared: Exploration · Transportation · Space Sim

The Long Dark
Shared: Exploration · Survival · Simulation

X3: Terran Conflict
Shared: Space Sim · Simulation · Trading