www.clickteam.com/clickteam-fusion-2-5
Clickteam Fusion 2.5 is the successor to Multimedia Fusion 2, the company's most well-received software application to date. The Fusion series was designed to be a user-friendly yet powerful drag-and-drop game and application creation program, easily accessible to either those well-versed or inexperienced in programming.
Source: Wikipedia
Pretty sure everything is indie on itch.io but just in case you want something extra indie.
Horror that challenges the brain and messes with the psyche, leading to a mind-racking experience.
Explore games for Linux made with Clickteam Fusion tagged Indie and Psychological Horror on itch.io · Upload your games for Linux made with Clickteam Fusion to itch.io to have them show up here.
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