Here's a few doujinge I enjoyed.
https://store.steampowered.com/app/1275230/StratoS_Sylph_Asterism/
https://store.steampowered.com/app/2416190/Ichimasan/
https://store.steampowered.com/app/459540/Cherry_Tree_High_Girls_Fight/
https://store.steampowered.com/app/1209720/Machina_of_the_Planet_Tree_Unity_Unions/
https://store.steampowered.com/app/1977910/Shinonome/ (abandoned early access game with a sequel potentially being abandoned before its even out as well)
https://store.steampowered.com/app/3025860/_Kokorowa_Onigiri_Delivery/