Leetcode style coding competitions. Short story writing competitions featuring specific prompts/themes. SAT test taking. Short story writing might be more su

Leetcode style coding competitions. Short story writing competitions featuring specific prompts/themes. SAT test taking. Short story writing might be more subjective, but the other two are much more objective in nature, and can be easily gamified. AFAIK, AI has a long way to go before it can engage in anything that requires thinking critically.