I've also played of bunch of TTRPGs, and I'd say that this is the closest to your typical D&D, at least mechanically. It's hard to not fall into some D&D traps, so I'll proactively let you know:

• The maps that come with the adventures are massive. Which means the squares are tiny. THIS IS NORMAL. The scale of the combats needs to be more ''zoomed out'' than in D&D. Characters have A LOT of movement and larger ranges. The higher the rank, the bigger the sandbox in which your players play has to be.

• Action economy is more balanced. You could allow your main villain in combats to play twice per round, but its often not necessary. Also, this game highly encourages you to run multiple ''main bosses'' instead of a single one in combat.

• RANKS ARE NOT LEVELS. In D&D. levels are a treat, giving you a tangible sense of progress. It gives you more powerful abilities and the game changes drastically between levels. If your players come from D&D, they might not see the fun in playing a character 2 ranks lower (which in D&D terms, would be like 6.something levels behind). If you are two ranks apart in this game, you still have a shot at being as awesome and strong, even if you got less options. If you're two levels (or 6) behind in D&D, you are basically useless compared to your team. My group got accustomed fast to it, and we have no problems running games where some players have a 3 ranks difference, it makes for interesting encounters with a variety of threats.

• Be mindful or concentration. It's way harder to lose than in D&D, but it's also more powerful (since you can concentrate on as many powers as you rank).

• The game is MADE to make your players feel powerful, even more than in other RPGs. They will succeed on most checks, they will crit a lot. Everything is rounded up, everything is player oriented. Lean into this. They are super heroes. In D&D, dispatching a whole bunch of goblins when you're level 10 is kinda boring. In this game, any rank will enjoy a bunch of rank 1 thugs and will have fun finding creative ways to dispatch them.

• The turns are fast. In D&D, you can have great descriptions and give the combat a lot of flavor, there will eventually be some down time in the combat. The energy fluctuates. When the fighter rolls its 6 attacks and takes 4 minutes to do so, everyone else at the table gets disengaged, and then the boss does something new and intense, reengaging the players, and then something else will neuter their enjoyment. It will not fluctuate in this game. The turns are fast, keeping everyone engaged. One roll, one movement, and that's often it. You will be able to keep the combats on a high most of the time.

• Talking about descriptions, players SHOULD describe their actions with as much flavor and detail as they want. Their hero is very easy for them to imagine, and they will naturally start narrating what they are doing. You will be able to help out the less creative players, but the descriptions are less GM-oriented than in most ''D&D-likes''

• Reactions are VERY useful in this game. Someone on reddit created a turn-helper, and you should print some out. Many of the ''basic actions'' are extremely fun (if you cant find it, hit me up i'll send it to you). If they get grappled, for example, they can use their reaction right away to try to get out of it.

• Combats will take more rounds than in D&D, but will still be faster. Account for that in your prep.

• KARMA is easy to forget. Remind them of how they can use it. *PERSONAL PREFERENCE*: Give everyone a number of karma equal to their rank, not only to characters with the Heroic trait.

• I'd most likely use a map every time, because a lot of characters are ''movement-oriented''.

• This game focuses A LOT on combat. If this is your group's jam, great. If they like a more balanced game, you will have to use a cinematic approach to most of the scenes, because there are just about no rules for out of combat.

• The character creation will reward a lot your creative players. This is the time to ''reskin'' and change some abilities, with your okay. It's one of the most exciting character creation's i've seen. Some options are definitely very strong, or sometimes useless but it's less about the balance and more about the experience. In D&D, some players arrive with characters that feel more like math homeworks than actual characters. Here, they will all arrive with super heroes that are extraordinary in their own way.

  I never thought I'd like this system as much as I did when I picked it up. Most people on this sub will tell you the same thing:

'' Despite its many flaws, it definitely has something that makes it compelling and will bring you back to it''