Fast Action Hero allows you to move between sections in a small area, and in those areas you are able to take cover and shoot at waves of enemies as they enter the map. The number of maps is very limited, and the enemies are mostly copies of each other.
A fancy shooter that was poorly implemented
Fast Action Hero has the right idea to the point where it is similar to the FPS part of the PS1 Die Hard game. The problem is that this game is very limited in many ways. Your job is to shoot different enemies as they enter your map area, but you are only allowed to move in a small area within each map. Plus, the shooting effects and the effects when hitting the targets are a little lacklustre. Fast Action Hero allows you to destroy certain parts of the map, but it is nothing to get excited about because the destructible items are few. The enemies will shoot back at you and they somehow know where you are even if you are behind cover, which is why they are able to shoot right for you as soon as you stick your head out of cover. Also, you often find yourself dodging bullets only to have them hit you anyway.
It has potential, but is rather disappointing
Fast Action Hero could have been great, but it is lacking any sort of music, and the movement system is very limiting. In all, the game is very underdeveloped. It is yet another early VR game that was rushed out to take advantage of all the consumer money floating around thanks to the VR fad that started when the Rift and Vive were first released. This game is not a strategy game, and it is not as good as the PS1 Die Hard game. If you start the game with very low expectations, then maybe you will have a good time, but make sure you buy it for a very cheap price because it is not worth very much and has very little replay value. Buy it for dirt cheap, wait for a 90% discount sale, or give it a miss.