The Last Starfighter vs. Ender's Game

 Some movies are bound to have similarities, even when they aren't official remakes or reboots.

https://www.imdb.com/news/ni56387022

https://blahg.blogs.com/pppp/2007/10/enders-game-vs-.html

https://www.businessinsider.com/i-hate-enders-game-2013-8

https://www.theverge.com/2018/4/9/17208418/ready-player-one-ernest-cline-armada-film-adaptation

https://www.airforcetimes.com/news/your-air-force/2018/05/24/enders-game-meets-air-force-the-service-is-working-on-a-video-game-to-find-potential-recruits/

https://www.space.com/the-last-starfighter-sequel-sizzle-reel

https://www.vudu.com/content/movies/uxrow/Inspired-by-Video-Games-Sale/1509