Based on the popular role-playing and card game, Doom Troopers casts you as a fearless commando who's been commissioned to save the world from an invading force of mutants. Play as either Mitch Hunter or Max Steiner as you embark on the most important mission of your life – the complete annihilation of the Dark Legion. Work your way through eight detailed levels filled with all kinds of evil and dangerous mutants, as you unload with a barrage of high-powered weapons that are readily available. If the pressure is a little too much for you to handle alone, recruit a friend and try to eliminate the Dark Legion together. The world is in grave danger, and only the Doom Troopers can make things right.

The basic game play is the standard move from left to right jumping across pits and shooting the enemies. Each character has a lot of ammo for their standard weapon; you can also attack at close range with a kick (Max) or a thump with your weapon (Mitch). The enemies are pleasingly designed and animated. They are white human style cyborgs. They look robotic, but bleed copiously when killed so they must be part human. The standard Dark Legionnaires will fire guns at you. Your first shot will take their heads off, but they will start firing blindly around, often hitting each other, until you have finished them off. Others will come at you armed with swords, they show quite good AI (Artificial Intelligence) when coming at you. They will often hold off attacking you until they are in groups and killing a couple will make others back off until reinforcements arrives.

Although you are moving from left to right you can drop down or climb up in places to collect health, ammo, power-ups and extra lives. The power-ups will fill your gun with ten rounds of powerful ammo and each type has a different effect on the enemies. The reactions of the enemies to your different attacks are very well done. If you hit them with a normal shot they lose their heads and blood spurts out of the top. They then flail around wildly until you blast them into pieces and they disintegrate in to twitching, bloody heaps. If you pick up say a flamethrower power up, just one hit will burn the soldier to a bloodied, charcoal crisp. They often stay frozen for a few seconds in that state and make a horrible mechanical wailing sound. Nasty, but effectively done. Your own characters are not immune from this. When Mitch dies he crumples into a heap and disappears, but one of his mechanical legs will stay behind for just a couple of seconds twitching and spurting blood.

Also there is some inventiveness in getting you across various obstacles. For example, in one spot in the first level you have to cross a lake. You will drown if you enter the water and there are no bridges or rocks to leap across. There are however Dark Legionnaires hiding in the water. Simply tempt them out and shoot them and hop across on their dead bodies. In a later level you must use fierce winds to carry you across the ground, avoiding getting slammed into spiked icy walls at the same time. The Boss fights take the usual form of find the weakness and wait to exploit it, they are pretty cool monsters though. The first Boss Demongogis will start to unload puke at you as he gets weaker. If you don't kill him fast enough you can literally drown in a sea of vomit.

The graphics in general are well detailed and the animations are smooth. The collision detection is fine and the controls are simple and easy to get to grips with. Sound effects are great. The explosions and gunshots have a satisfyingly meaty feel to them and the screams, roars and wails as hot leaden death is meted out give the game great atmosphere.