Cybersecurity Games?

Are there any free "games" for practicing cybersecurity/prepping for certs?

Not as complicated and hands on as CTFs challenges or LeetCode problems. Maybe something like Quizlet, Duolingo, Trivia Crack, NandGame but for networking, vocab quizzes, or maybe even CSSBattles or Chess Puzzles, but for cybersecurity of course, something along those lines. Just something small I can do daily.

Maybe there's some leaderboard or streak functionality to make it interesting. Stats on what domains you do well on based on question …

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