Tiny Tina's Wonderlands is a Borderlands spinoff shooter/RPG that's co-op and happens to be free to claim on Epic games store this week. I haven't played it yet but really enjoyed the Tiny Tina DLC for Borderlands 2.

I second deep rock galactic

Deep Rock Galactic and Helldivers 2 are the ones I play. Usually at 2 players.

Roboquest is one of my fave co-op experiences in recent years

So, you're essentially looking for games like Borderlands, do you want more RPG in it or less?

Remnant: From the Ashes gets my vote. It's a superb co-op shooter despite getting somewhat repetitive near the end. There's also a sequel that seems to be well liked but I never got around to playing it.

Synthetik. Insane coop shooter that has the most dopamine inducing gameplay I've ever experienced.

Out of all the games here, this one is the absolute hidden gem. Because nobody has heard about it. But they absolutely should.

Does Portal 2 count…?

I remember enjoying Left 4 Dead back in the day.

Killing floor 1/2, fps zombie horde killing.

Another doot for Remnant, really enjoyed the odd universe and two player coop.

Battlefront 2 multi player for mindless star wars pew pew fun.

Halo Reach, baby. That's the king.

Earth Defence Force. Basically, you are participating in a B-movie scenario, with UFOs, kaiju, giant ants, flamethrower clams, and winged frogs. It is quite a good time, and the higher difficulties require genuine skill and cooperation.

EDF 6 is the best in the series from a gameplay standpoint, but is far weaker than 4 or 5 when it comes to the level design + narrative. Still, the QOL pushes the game to the next level, especially if you got pals to tackle the missions. There many different weapons, not just in power, but also shot pattern, reload style, knockback, and so forth. Also, there WILL be hundreds of enemies on onscreen at any given moment. Each of the four classes have very distinct characteristics when it comes to loadout, mobility, and purpose, so you should be able to find a good match for yourself.

Earth Defense Force 6 - trailer

check out:

Ink Inside On steam.

It's a couch co-op action RPG with ranged combat meets beat em up fights. Aesthetic is 2014 cartoon network, with a story based on a lost Nickelodeon pilot. Voice cast is solid with Brian David Gilbert too.

If it sounds interesting, could definitley be up your alley!

Prodeus is a fun multiplayer DOOM-like with old school vibes

I'm not into these, even though I try them from time to time. But one was actually a looooot of fun - Shadow Warrior 2. The gunplay, the chaos, it was extremely entertaining!

And it only costs a few bucks.

Ghost Recon: Wildlands

Really fun to coop in either players' world to just line up shots and generally wreak havoc.

Darktide is fire, it's a left 4 dead style game (horde shooter?). If you want 2d shooters, I really enjoyed Broforce and Huntdown (that one's a real gem)

Timesplitters 2 and 3 for some older stuff. They’re spiritual successors to Goldeneye (made by mostly the same people) and they both feature fun coop campaigns. Shouldn’t be too difficult to emulate.

Splatoon 3 Salmon Run

CRAB CHAMPIONS

• Ready or Not
• Six Days in Fallujah
• Halo

Halo is an all time great and especially for co-op.

The dying light games are great coop

SWAT 4

If you can get past its extremely questionable social issues, I've never played a co-op combat game as well designed and implemented as resident evil 5. It forces you to work together in a variety of challenges and unexpected ways. It keeps you both focused on mutual goals. And if you don't work together with situational awareness and effective communication, you will not succeed. I really wish it sold better because I've never seen a company since put as much effort into co-op design except maybe the "it takes two" and "a way out" guy. But those aren't shooters.

Payday 2/3, Helldivers 2, Deep Rock Galactic, Ready or Not

Play Halo 1 on easy, no shooting allowed, only melee, and speed run it.

I seem to remember liking Resistance: Fall of Man, but it isn't something you'll play over and over. But the couch co-op story mode was fun to play with my partner back in 2007 or so.

A Way Out was fun recently for couch co-op story as well, but I'm not sure if that is the type of shooter you are looking for. I had never played a game like it before, was pretty cool.

Post linked on my list of many requests for gaming suggestions that got answers at !videogamesuggestions@lemmy.zip

Rainbow Six Vegas and Splinter Cell Blacklist and Chaos Theory were awesome for this - especially for 2 people.

If you have 4 then SWAT 4, Ready Or Not, Operation Flashpoint: Dragon Rising, ARMA 3.