First of all, since it's fan-hosted (the server code walked out the door right before the game shut down, what a fucking shame...) the cash shop, which was pretty good in the first place, isn't there any more. There's no tons of microtransactions and no tons of ads thrown in the game.
I can't stress how fucking nice that is in Current Year+4. No big-ass banner ads. No fucking "DO THIS FOR FULL ACCESS TO OUR DILDO SHOP!" buttons in the upper right, and no "We Know You're a Paying Subsciber BUT VISIT OUR CASH SHOP FOR MORE FAGGOTRY AND AIDS!" bullshit banner. It's all there, all unlocked, all within reach.
The community servers that I play on have a "Pay 2 Win Vendor" that basically offers all the old cash-shop stuff, veteran rewards (You got rewards for having been a paying customer in addition to free bennies like costume pieces and other fun stuff), and temp powers that there's no way to get any more. You get a bunch for just making a character (GO GO NEMESIS STAFF AND SANDS OF WIFF!) and then can use the in-game currency for collecting the rest.
Second is: LOTS AND LOTS of fucking powers/abilites. Sometime around the development of Champions an article came out about people only being able to track about 6-9 things at once, and fucking Dev's ran with that shit, "Streamlining" by lowering the amount of active powers. Holy shit, did I hate that.
Powers you got in the beginning still matter at the Endgame. Take for example the character above. She's got the basic Pew-Pew electric power she had at 1st level. Only slotted out with the standard 6 enhancement slots all with a Endurance Mod Invention Set to make it so she can pull down the enemy's endurance. It's the first power, but you're able to customize it.
When you create your character, you select your origin (Natural, Science, Magic, etc) which doesn't really matter beyond which kind of Dual Origin and Single Origin you can slot along with some contacts and missions. Then Your Archetype: Blaster, Tanker, Defender (Healer), Controller, Scrapper, etc etc. Then you select your Primary and Second ary Power Sets, based on your archetype. That lets you select one of two of the first sets of powers on the Primary and you get the first power of the secondary. Yeah, only 2 powers at 1st level, but since you level up in the tutorial and game a 3rd power, it's not that big of a deal. Plus you have brawl, and your origin power (a shitty little one that you'll still be using at level 50 because MORE POWERS!) and anything you grabbed from the Pay2Win Vendor.
After that, your costume, how your powers are colored and look, then... BOOM! OFF TO FIGHT CRIME AND ALIEN INVADERS! WOOT!
Third: The graphics.
The graphics are a mix of eye-bleed inducing, endearing, and decent. Some of the older content is cringe inducing, but the heart is still in it. They did an experimental cell shading that I think looks like ass and some people like. I like the standard look. You can tell the newer zones because they look better, but fuck that, I'm brawling in The Hollows Rebuilt because I'm an elitist faggot.
One thing, if you're prone to flashing lights giving you headaches or seizures, this game will fuck you right in your goat ass. You can have up to 7 people on a team with you, 31 on a Task Force with you, and all those powers going off is going to make your screen flash and your speakers scream. That's a nogo for some people, but hey, you can't have everything.
The enemies are kind of neat. Some are just pallet-swapped, but most of them are individually designed, with their own power-sets and weirdness, and that really makes it feel cool. They're also level dependent. The Freakshow, who look like junkyard cyber-stompers with shitty meme names circa 2005, are teen and lower 20's to meet, but you still fight some of them at level 50. Mostly their zone dependent outside of missions.
And it's funner than fuck to go back to an early are when you're End Game Grind and yelling "YOU FUCKING REMEMBER ME?" and chasing whole mobs down and stomping them.
Because fuck those Hellions. THEY FUCKING STARTED IT!
The enemies are largely easy to pick out because their design either makes it obvious who is what, or (in the case of Malta), they have gear that you've gotta spot. (Fucking sappers, I hate them so much)
But, weirdly, the graphics "feel" better and more in place that a lot of games nowadays.
You can make a SHIT-TON of costumes. Yeah, Champions had more costume options, but Champions looked like refried ass and played worse, and if you like that shitty game I fucking judge you as a human being and you're probably a furry, a pedophile, or both.
The missions are STILL fun. Since you can tweak your threat level from -1 to +4, and how many people you count as (1-8 ), whether you want to fight boss fights in you're on your own, shit like that. Sure, some of them are a pain in the ass, but a familiar pain in the ass.
YOU FEEL POWERFUL!
Most games, you see 4-8 enemies, you're trying to figure out a retreat. In this game, your combatacon archetypes are just charging in yelling "LEEEEEEROY JENKINS!" and there's a good chance you'll win.
Hell, I've been in fights that it's basically a slide-show, where you're hitting the number keys because your mouse-clicks can't register, and going "PLEASE BE ALIVE PLEASE BE ALIVE" because the Dark Defenders are mass-raising everyone who got dropped.
This is a SMALL Halloween brawl against zombies. Probably a dozen or so heroes and, well, probably fifty or so bad guys.
I'm in there somewhere. Another small fight between, oh, a dozen or so heroes and a LOT of alien invaders. This is when they're just porting in. Within about 3 minutes of this picture my screen was overrun by Rikti Monkeys.
The "Play with your friends!" bit was really well done. At first, you'd side-kick someone. You could only have one sidekick, but they were only 1 level below you for power balance with the enemies, and they were tethered to you. That was replaced by the "Team Leader" system, where the team leader set the level of the group. So if you had a level 30 leading, the level 50 dropped (temp) to 33, the 12 jumped to 29, and the mission bad guys were all 30 while everyone got XP as if they were in a mission of their level.
For a while they had a system where you could level-pact with a friend and they'd get half your XP, so say you played with your wife, if you logged on and played while they were watching TV, you XP went to help level them, so you were always on par. Apparently that caused some glitches and was exploited to fuck and back, so it got removed.
Your costume is NOT related to your powers or abilities. For that you have your powers (You choose more and more up the tiers as you level up, depending on your primary and secondary power sets, then on odd number levels you add 2 enhancement slots, either both in one power or split them up between whatever 2 powers you want, with 3 slots after like level 35) and your enhancements (Damage, to hit buff, defense (de)buff, whatever) to tweak your powers to how you want to play. Your weapon, if you have one, depends on your power set, but that's the only cosmetic thing that is power dependent. Want to be a pink fairy with two six-guns who can do karate? No problem. Want to be a super-strong invulnerable tank that looks like a cat-girl with leprosy? No problem. Want to make a robots that heals everyone and calls upon the power of darkness to hurt their enemies? Just take the robot parts, baby! From floating skulls for heads to robot legs to like 100 different options just for your legs and chest, City of Heroes had it all.
The costume creator made it so that if you copied some mainstream hero like Supes or Batman or whatever, motherfuckers WILL mock you, because that's basic bitch costuming right there.
You also start with 5 costume slots. Five different costumes. Lots of players make "street clothes" then different costumes for whatever. Most of mine have all 10 costume slots unlocked because I'm a horrible sperg-o-matic. Hell, my favorite characters even have holiday costumes for depending on the season.
Since you can theme your costumes, it's a lot of fun.
There's even villian-side, where you get to act like an asshole and beat up superheroes and cops, rip stuff off, rob banks, fun stuff like that. The maps are really different (some people don't like villain-side maps, I love the tight, claustrophobic feeling of Mercy Island).
You can even play a renegade. Not good, not evil. That came out right before the game shut down, but it added a whole new dimension. My only bitch was that it only lasted till about 20th level, but that has to do with the over-arching metaplot of colliding dimensions.