Steam - investment 70%
Good Old Games - investment 28%
Battle.net - investment 2%
Paradox Launcher - investment 0%, required to play Stellaris, purchased on Steam
Rockstar Games Launcher - investment 0%, required to play Red Dead Redemption 2, purchased on Steam.
Ubisoft Connect - 0%, required to play 7 games I purchased on Steam.
Electronic Arts App - investment 0%, required to play Mass Effect Legendary Edition, purchased on Steam.
Epic Games Store - investment 0%, I have 41 free games, but I have yet to download the launcher.
Microsoft Store - investment 0%