In case you don’t want to give them clicks:

The first is from Adult Swim with these games vanishing from GOG on September 30th (time TBC):

• Westerado: Double Barreled
• Kingsway
• Headlander
• Fist Puncher

GOG said they will “do our best to try and bring them back”.

The bigger list comes from Meridian4 where 27 titles will be gone on September 20th at 1PM UTC:

• Boom Blaster
• Boss Rush Bundle
• Bucket Knight
• Creepy Tale 3
• Edge of Galaxy
• Full Moon Rush
• Ghost Blood
• Ghoul Castle
• Hero Survival
• Heroines
• Judas
• Kill Fish
• Oxygen Cocktail
• Picklock
• Probo Rush
• Red Dust
• Replikator
• Starless
• Strike Force Kitty
• The Dark Prophecy
• The Wizard And The Slug
• Ultragoodness
• Ultragoodness 2
• Ultragoodness Bundle
• Viruz
• Warforwards
• Witchcrafty

https://web.archive.org/web/20240918181538/https://www.gamingonlinux.com/2024/09/29-games-are-getting-delisted-from-gog/