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
Games with big boss battles, or even games that are just boss battles.
Only requires a single button (commonly the left mouse button or a single key on the keyboard) to operate the game's controls or interact with it.
Explore HTML5 games made with Clickteam Fusion tagged Boss battle and one-button on itch.io · Upload your HTML5 games made with Clickteam Fusion to itch.io to have them show up here.
Subscribe for game recommendations, clips, and more