Games like Hard2Fly
Games like Hard2Fly include Clustertruck, BeamNG.drive, DiRT Rally 2.0, Liftoff®: FPV Drone Racing, and My Summer Car. We matched them by the tags players give Hard2Fly on Steam (Flight, Difficult, Destruction, Parkour, and First-Person): closest matches first, and among equally close ones the better-known games.

Clustertruck
Shared: Parkour · First-Person · Automobile Sim

BeamNG.drive
Shared: Destruction · Automobile Sim · Racing

DiRT Rally 2.0
Shared: Racing · Automobile Sim · Difficult

Liftoff®: FPV Drone Racing
Shared: Flight · Racing · First-Person

My Summer Car
Shared: Automobile Sim · First-Person · Racing

Wreckfest
Shared: Destruction · Racing · Automobile Sim

Assetto Corsa
Shared: Racing · Automobile Sim · Simulation

The Crew™ 2
Shared: Racing · Flight · Automobile Sim

Uncrashed : FPV Drone Simulator
Shared: Flight · Racing · First-Person

Wreckfest 2
Shared: Destruction · Racing · Automobile Sim

Assetto Corsa Competizione
Shared: Racing · Automobile Sim · Simulation

Car Mechanic Simulator 2021
Shared: Automobile Sim · Racing · Simulation

Teardown
Shared: Destruction · First-Person · Indie

SimplePlanes
Shared: Flight · Racing · Automobile Sim

Need for Speed™
Shared: Racing · Destruction · Automobile Sim

Forza Horizon 5
Shared: Racing · Automobile Sim · First-Person

Automobilista 2
Shared: Racing · Automobile Sim · Simulation

Microsoft Flight Simulator X: Steam Edition
Shared: Flight · First-Person · Difficult

Assetto Corsa Rally
Shared: Racing · Automobile Sim · 3D

FlatOut
Shared: Destruction · Racing · Automobile Sim

My Winter Car
Shared: Racing · Automobile Sim · First-Person

Turbo Dismount™
Shared: Destruction · Automobile Sim · Simulation

Redout: Enhanced Edition
Shared: Flight · Racing · Difficult

X-Plane 12
Shared: Flight · First-Person · 3D