I've modded: Brotato / 20MTD / Sky Force / JYDGE / Deadbolt (DCP+DECP) / Door Kickers: Action Squad / Bloodstained...
***Links in more info...***

Brotato (Godot)
https://node2.projectplanet.cn/@steamcommunity.com/sharedfiles/filedetails/?id=2931400839
https://github.com/GodotModding/mod-loader

20 Minutes Till Dawn (Unity)
https://www.nexusmods.com/20minutestildawn/mods/13
https://www.nexusmods.com/20minutestildawn/mods/8

Sky Force Anniversary (Unity)
https://www.nexusmods.com/skyforceanniversary/mods/1

JYDGE (10tons)
(WIP - not yet published)
https://github.com/ithinkandicode/JYDGE-Enhanced-Mod

Deadbolt (GMS1.4)
https://deadbolt.codemuffin.com (DCP + DECP - massive updates directly to the source code)

Door Kickers: Action Squad (Custom)
https://node2.projectplanet.cn/@steamcommunity.com/id/darkly77/myworkshopfiles/?appid=686200
https://node2.projectplanet.cn/@steamcommunity.com/workshop/filedetails/?id=1973847853 -- REBALANCE
https://node2.projectplanet.cn/@steamcommunity.com/workshop/filedetails/?id=1970000194 -- Weapons Pack

Bloodstained: Ritual of the Night (Unreal)
https://www.nexusmods.com/bloodstainedritualofthenight/users/73115203?tab=user+files

Uurnog Uurnlimited (Custom)
https://www.nexusmods.com/uurnoguurnlimited/mods/1

Yooka-Laylee and the Impossible Lair (Unity)
https://www.nexusmods.com/yookalayleeandtheimpossiblelair/mods/1

My Files on Nexus Mods:
https://www.nexusmods.com/users/73115203?tab=user+files