This game is all flash, and absolutely no substance. The only advantage HTR+ has over Virtual SlotCars (the other slot car sim on Steam) is the graphics, which do look nice. However, Virtual SlotCars is superior in every other aspect, including physics, progression, customization, and play value.

The physics are abysmal in HTR+, particularly when it comes to stunt jumps and loop-de-loops; regardless of your skill or speed, it's a 50/50 crapshoot whether you crash/deslot when performing these maneuvers. Progression is gated behind a paywall of ingame currency which can only be earned the very first time you win a track, and then only when you clock a record lap time on that track (there is a cheesy way around this in which you can download a simple player-created map and incrementally achiever faster and faster record laps for payouts each time, then delete the map and redownload, rinse and repeat). This game punishes you for upgrading your car beyond a certain speed, and higher-level body shells make your car impossible to race. I can't imagine how difficult and frustrating this game must have been prior to the implementation of gamepad trigger compatibility.

The camera angles are absolutely terrible in HTR+, two of which are virtually unusable. In ANY racing game, players must have the ability to see what's ahead of them, and you simply don't get that in this game. Some of the races start with wipeout curves you cannot see until you have wiped out. That's poor game design.

A lot of love clearly went into the meshes and textures and track design, but that's about it. Everything else is exceptionally poor quality. This game only cost $7, but I still feel ripped off. If you want to play a solid slot car racing simulator, don't give this game another thought and go buy Virtual SlotCars for a similar price.