As well as Xbox and Switch according to the trailer

https://store.steampowered.com/app/2550040/Subside/

You could play Ghost Recon: Wildlands or try some of the older Ghost Recon or Delta force games. Some of the weapons on offer are older in it.

There's a tag on Steam named coop campaign that might help find a few for you. I saw a real time tactics game called War Mongrels that might be of interest though it's obviously not a shooter.

Also, obviously there's "hell let loose" but it's not a campaign experience

I got this scar on my face cause the first game was such a struggle

Monkey Island has aged like a dairy farmer

I've only finished the demo but this is quite a beautiful and charming puzzle adventure and it's worth checking out if that's your thing.

It's also available with a Netflix subscription on mobile and the controls are pretty decent for mobile/touchscreen due to the way movement works in the game.

If you're unsure about it and don't have Netflix, then check out the demo on steam (I'm assuming it's still available).

I would say that I enjoyed controlling it slightly more with a controller/dpad.

I recently discovered shadow tactics which has similar mechanics but with a samurai theme. Quite a cool game.

There is also the more recently released shadow gambit which has a pirate theme.

Well played

Is there a sublemmit for gaming memes?

This is some impressive knowledge. How do you know all this?

I would love to see their take on Fallout

2 quite different puzzler games:

This one caught my eye because of the art (same artist as Braid) but the everything about this game is charming
https://store.steampowered.com/app/2596420/Arranger_A_RolePuzzling_Adventure/ Arranger: A Role-Puzzling Adventure follows the story of Jemma, a small-town misfit on a journey of self-discovery. Venturing out beyond her stiflingly cozy confines, she finds an inspiring world - but also one ruled by fear, and a strange, immovable ‘static’ force. Can she disrupt a culture of stagnation, and find a place to fit into it?

This one I played because it's by Game Maker's Toolkit from YouTube so was keen to see what he'd built. Also enjoyed this one and it has a cute and polished presentation style.
https://store.steampowered.com/app/2685900/Mind_Over_Magnet/ Mind Over Magnet: Escape a dangerous factory using the power of magnetism. You must team up with three different magnet friends and use their unique abilities to solve more than 60 tricky single-screen puzzles.

Ah but I was saying that even this game predates helldivers 2. It's been in early access for quite some time

I must confess that I haven't read the book but I had heard the tone is not quite the same

Not sure if sarcasm/trolling. Forgive me for saying so if it isn't. This game has been available in early access long before helldivers 2. Starship troopers the movie has much the same tone as this trailer.

I've wishlisted for now. Gotta get through Dave the diver and hades 2 first. Life is so hard sometimes haha

Animal Well looks cool too

Oh man Noita looks cool

What are some of your favourites?

Oh cool! I hadn't seen Eternal Starlight before. Another one for the wishlist!

https://store.steampowered.com/app/676030/Eternal_Starlight_VR/

I also didn't realise Homeworld vr was coming to stream too.
https://store.steampowered.com/app/2949240/Homeworld_Vast_Reaches/

If you're interested in this style of game on pcvr, you could check out battlegroup vr

I'm not sure exactly how similar they are but they both have you commanding your own fleet. I haven't played either so this isn't an endorsement but they both look cool. Battlegroup seems to have a really cool perspective from the command ship too

There is an app for Google Play called MiniReview that helps with discoverability of these sorts of games on Android