Local-multiplayer games I own

Brawlhalla is great if you don't already have super smash bros. Sonic racing transformed is also a good couch party game

SpeedRunners its really fun to play with friends in local mult

There is a tab on steam while browsing the store that says local co-op. if ya click it, all those specific games will be displayed. And I play many couch co-op games with my girls, so I created a specific category so it's easily to get to them all. Here's a feww we're currently enjoying:

How to survive
Dungeon Siege 3
Dynasty Warriors 8
Giana Sisterss
Magicka
Broforce
Unreal Tournament 3
Both Lara Croft Puzzle games
Gauntlet
Final Exam

I could write alot moree, since we do lots of couch co-op gaming on weekends (#=

https://steamdb.info/ Log in with your account, then under the "my apps" option you can filter for genre :)