i always us a heatset / headphones preference mostly, but also i play in a room were others are and they wont want to hear about what im doing, plus i can more clearly hear dialoge
although shooters are were you'll hear MIC used most the other games that come to mind are :
operation tango
hacktag
we were here series
artemis spaceship bridge simulator - although its more billed for play in a group in the same room.
various multiple co-op/pve/pvp RTS - usfull but not needed as they usually have various PING moduls to help in limited com situations. Supreme Command forged Allience comes to mind.
Demeo
Pulsar: lost Colony
keep talking and nobody explodes
star trek bridge crew - multiplay almost defunct though :/
Chill places to us a MIc :
VRchat - VR headset not required but recoemended
Recroom- freindly OCUK group in ther Virtual reality forum section
walkabutminigold- freindly OCUK group in ther Virtual reality forum section
raft
golf with your friends
minecraft
Factorio/satisfactory
eco - chill untill the end......
unrailed!
various VR games/apps
App based :
VoiceAttack - usfull utiltiy if you have time to set it up
it does depend on your preferance for games