Please reconsider your 0 star review if you think it deservers more :).
This is what a user said:
level 20 is indeed VERY beatable. It’s called buff your starting planet and defend it. Since it produces 3 ships per “turn” maxed out it can defend itself from very heavy attacks, enough to eventually strike out to enemy or uncontested planets.
 "sharpnova"){kind=small}
 "luque05"){kind=small}