5 stars: Awesome game. Slightly glitchy though: 1) If you get a glory kill (which increases your level) and run through the stage portal too quickly, you don't get to choose an ability for that level up. I had this happen twice in one run. 2) If you're right up next to a wall and fire the rocket launcher, the rocket(s) target(s) the wall, not the nearest enemy.
5 stars: No intrusive ads or banner ads at all unless you want to watch one to unlock something. Generous playable progression without the need for micro-transactions, which also aren't thrown in your face every second. Fantastic fun little game that feels like Doom, only mobile.
4 stars: Mighty Doom is a game that provides a accessible and fun free-to-play experience, with full knowledge it is a casual game that many use to pass time. It respects your time by cutting forced ads, without having essential features behind paywalls. The gameplay is simple, maybe too much so for some, but it doesn't come without challenge and there is plenty of progression and customizability to make it interesting without being frustrating.
3 stars: Started out good. The ads are structured well they dont feel overwhelming. But the game is very repetitive. You basically play the same scenario over and over and it gets harder and harder while your weapons get stronger and stronger. Shoot. Die. Repeat.
2 stars: The gameplay is fun, when you can play it. It's got an overly limited energy system designed to suck dollars out of ...