AOTU Shijie

Similarities - Both MCs compete in a life or death game to have their wish granted - Both MCs have typical shounen, optimistic, power of friendship personality traits - Both game world contestants are young teens Differences - Tower of god is a literal tower with floors vs. AOTU game has game worlds - AOTU world is a chinese CGI donghua vs. Tower of god is a webtoon based, 2D japanese anime 

Similarities - Both MCs are typical naive shounen types - Both MCs are looking for family members - Both MCs become involved in top secret operations (AOTU tournament and Deep Sea Agent Academy) - Both MCs never take anything seriously - Both worlds are set in a future timeline - Both MCs are betrayed by friend/subordinate - Both MCs have comrades they trust Differences - MC in Qiang joins an agent academy VS. MC in AOTU joins a life or death tournament - AOTU world story is set on an artificial planet VS. Qiang story is set on earth - Different art style and characters 

Very Similar Type Of CGI, More Cartoon Like. The Main MCs Are Children. Not Exactly Aimed At Kids Alone. Better Than You Realize.