Challenges represent milestones in the game. Below is a list of monsters found in the pve and pvp areas.

Sinnoh Stone Tier List Pokemon Go Wiki Gamepress
Cosmos quest tier list. Lowest usable skill levels. Each completed challenge adds to a production bonus2 per level eg. Skill prio setup cosmo tierlist sea banners cosmo details tips tricks. Still not worth it. While in the aquatic dimension the dimensions active bonus doubles the challenge bonus effectively doubling production. God tier most ascended top tier quest glass canons dullahan and other high level premiums good tier utility heroes like tronix athos but aslo ww or santa medium tier other legs low tier everything else however again maxing all commonsrares is very good for ycyr touranmnets.
300 challenges gives600 for a total x7 to production. Jumps to the aquatic dimension increase the challenge bonus. Kongregate free online game cosmos quest. Pairs especially well with. There are currently 180 monsters available from tier 1 to tier 45. Most challenges have multiple levels.
Counters god tier june so he has that going for him. Basically all monsters tier 29 and 30 are stronger than any maxed ascended heroes available in cosmos quest which makes them become the strongest battle units the player can have. The origin conquer space and time collect energy and develop your civilization from mere caveman to powe.