Hello! I'm a queer game dev and make games with lgbt characters in them. They don't involve romance but does have queer themes?
Hypnotica Quest - Although the main story is about a mad scientist with no declared sexual orientation, you do meet a lot of queer people within the town and even a small lgbt group in the forest (one of them may even challenge you to a secret battle... but that's a secret).
Mezma's Revenge - Is about a gay drag queen taking over the world and you must find a way to save everyone.